Mathmech Deck Breakdown

Cards Usage Statistic

Main Deck

SR Rarity
Dotscaper
SR Rarity
Dotscaper
SR Rarity
Dotscaper
EARTH 1
Dotscaper
  • ATK:

  • 0

  • DEF:

  • 2100


If this card is sent to the GY: You can Special Summon this card. If this card is banished: You can Special Summon this card. You can only use 1 "Dotscaper" effect per turn, and only once that turn. You can only use each effect of "Dotscaper" once per Duel.

R Rarity
Firewall Defenser
R Rarity
Firewall Defenser
R Rarity
Firewall Defenser
DARK 4
Firewall Defenser
  • ATK:

  • 1200

  • DEF:

  • 1500


If this card is sent to the GY as material for the Link Summon of a Cyberse monster: You can Special Summon 1 "Firewall" monster from your Deck, except "Firewall Defenser". You cannot Special Summon monsters the turn you activate this effect, except Cyberse monsters. If a "Firewall" monster(s) you control would be destroyed by card effect, you can banish this card from your GY instead. You can only use each effect of "Firewall Defenser" once per turn.

R Rarity
Firewall Guardian
R Rarity
Firewall Guardian
R Rarity
Firewall Guardian
DARK 4
Firewall Guardian
  • ATK:

  • 100

  • DEF:

  • 2000


If this card is sent to the GY as material for the Link Summon of a Cyberse monster: You can Special Summon this card, but banish it when it leaves the field. When an attack is declared involving your Link Monster and an opponent's Link Monster: You can banish this card from your GY; negate that attack, and if you do, until the end of this turn, the original ATK of that opponent's monster becomes 0, also it is unaffected by other card effects, except its own. You can only use each effect of "Firewall Guardian" once per turn.

R Rarity
Mathmech Addition
R Rarity
Mathmech Addition
R Rarity
Mathmech Addition
FIRE 4
Mathmech Addition
  • ATK:

  • 1000

  • DEF:

  • 1000


You can target 1 face-up monster on the field; you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Cyberse monsters, also Special Summon this card from your hand (but it cannot attack this turn), and if you do, the targeted monster gains 1000 ATK until the end of this turn. You can only use this effect of "Mathmech Addition" once per turn.

UR Rarity
Mathmech Circular
UR Rarity
Mathmech Circular
UR Rarity
Mathmech Circular
LIGHT 4
Mathmech Circular
  • ATK:

  • 1500

  • DEF:

  • 1500


You can send 1 "Mathmech" monster, except "Mathmech Circular", from your Deck to your GY; Special Summon this card from your hand, also you can only attack with 1 monster for the rest of this turn. If a "Mathmech" monster is Normal or Special Summoned to your field while you control this monster (except during the Damage Step): You can add 1 "Mathmech" Spell/Trap from your Deck to your hand. You can only use each effect of "Mathmech Circular" once per turn.

N Rarity
Mathmech Multiplication
N Rarity
Mathmech Multiplication
N Rarity
Mathmech Multiplication
EARTH 4
Mathmech Multiplication
  • ATK:

  • 500

  • DEF:

  • 2000


You can target 1 Level 4 Cyberse monster you control; its Level becomes 8 until the end of this turn. If this card is sent to the GY: You can target 1 Cyberse monster you control in the Extra Monster Zone; its ATK becomes doubled until the end of this turn. You can only use each effect of "Mathmech Multiplication" once per turn.

R Rarity
Mathmech Subtraction
R Rarity
Mathmech Subtraction
R Rarity
Mathmech Subtraction
FIRE 4
Mathmech Subtraction
  • ATK:

  • 1000

  • DEF:

  • 1000


You can target 1 face-up monster on the field; you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Cyberse monsters, also Special Summon this card from your hand (but it cannot attack this turn), and if you do, the targeted monster loses 1000 ATK until the end of this turn. You can only use this effect of "Mathmech Subtraction" once per turn.

UR Rarity
Maxx "C"
UR Rarity
Maxx "C"
UR Rarity
Maxx "C"
EARTH 2
Maxx "C"
  • ATK:

  • 500

  • DEF:

  • 200


During either player's turn: You can send this card from your hand to the Graveyard; this turn, each time your opponent Special Summons a monster(s), immediately draw 1 card. You can only use 1 "Maxx "C"" per turn.

UR Rarity
Nibiru, the Primal Being
UR Rarity
Nibiru, the Primal Being
UR Rarity
Nibiru, the Primal Being
LIGHT 11
Nibiru, the Primal Being
  • ATK:

  • 3000

  • DEF:

  • 600


During the Main Phase, if your opponent Normal or Special Summoned 5 or more monsters this turn (Quick Effect): You can Tribute as many face-up monsters on the field as possible, and if you do, Special Summon this card from your hand, then Special Summon 1 "Primal Being Token" (Rock/LIGHT/Level 11/ATK ?/DEF ?) to your opponent's field. (This Token's ATK/DEF become the combined original ATK/DEF of the Tributed monsters.) You can only use this effect of "Nibiru, the Primal Being" once per turn.

N Rarity
Parallel eXceed
N Rarity
Parallel eXceed
N Rarity
Parallel eXceed
WIND 8
Parallel eXceed
  • ATK:

  • 2000

  • DEF:

  • 2000


If this card is Special Summoned by the effect of "Parallel eXceed", its Level becomes 4 and its original ATK/DEF become halved. You can only use each of the following effects of "Parallel eXceed" once per turn. ● If you Link Summon: You can Special Summon this card from your hand to your zone that Link Monster points to. ● If this card is Normal or Special Summoned: You can Special Summon 1 "Parallel eXceed" from your Deck.

UR Rarity
Ash Blossom & Joyous Spring
UR Rarity
Ash Blossom & Joyous Spring
UR Rarity
Ash Blossom & Joyous Spring
FIRE 3
Ash Blossom & Joyous Spring
  • ATK:

  • 0

  • DEF:

  • 1800


When a card or effect is activated that includes any of these effects (Quick Effect): You can discard this card; negate that effect. ● Add a card from the Deck to the hand. ● Special Summon from the Deck. ● Send a card from the Deck to the GY. You can only use this effect of "Ash Blossom & Joyous Spring" once per turn.

UR Rarity
Effect Veiler
UR Rarity
Effect Veiler
UR Rarity
Effect Veiler
LIGHT 1
Effect Veiler
  • ATK:

  • 0

  • DEF:

  • 0


During your opponent's Main Phase (Quick Effect): You can send this card from your hand to the GY, then target 1 Effect Monster your opponent controls; negate the effects of that face-up monster your opponent controls, until the end of this turn.

R Rarity
Mathmech Diameter
R Rarity
Mathmech Diameter
R Rarity
Mathmech Diameter
LIGHT 4
Mathmech Diameter
  • ATK:

  • 1000

  • DEF:

  • 1500


When this card is Normal Summoned: You can target 1 Level 4 Cyberse monster in your GY; Special Summon it, but it cannot activate its effects. A "Mathmech" monster that was Synchro or Xyz Summoned using this card on the field as material gains the following effect. ● Once per turn, during the turn this card was Special Summoned, when your opponent activates a card or effect (Quick Effect): You can negate that effect. You can only use each effect of "Mathmech Diameter" once per turn.

SR Rarity
Mathmech Sigma
SR Rarity
Mathmech Sigma
SR Rarity
Mathmech Sigma
LIGHT 4
Mathmech Sigma
  • ATK:

  • 1000

  • DEF:

  • 1500


If you control no monsters in the Extra Monster Zone, while this card is in your hand or GY: You can Special Summon this card, but banish it when it leaves the field, also you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Cyberse monsters. You can only use this effect of "Mathmech Sigma" once per turn. If this card you control is used as Synchro Material for a "Mathmech" monster, you can treat it as a non-Tuner.

UR Rarity
Called by the Grave
UR Rarity
Called by the Grave
UR Rarity
Called by the Grave
Spell Quick
Called by the Grave

    Target 1 monster in your opponent's GY; banish it, and if you do, until the end of the next turn, its effects are negated, as well as the activated effects and effects on the field of monsters with the same original name.



    Tag(s):

    UR Rarity
    Crossout Designator
    UR Rarity
    Crossout Designator
    UR Rarity
    Crossout Designator
    Spell Quick
    Crossout Designator

      Declare 1 card name; banish 1 of that declared card from your Main Deck, and if you do, negate its effects, as well as the activated effects and effects on the field of cards with the same original name, until the end of this turn. You can only activate 1 "Crossout Designator" per turn.



      Tag(s):

      UR Rarity
      Cynet Mining
      UR Rarity
      Cynet Mining
      UR Rarity
      Cynet Mining
      Spell Normal
      Cynet Mining

        Send 1 card from your hand to the GY; add 1 Level 4 or lower Cyberse monster from your Deck to your hand. You can only activate 1 "Cynet Mining" per turn.

        N Rarity
        Mathmech Equation
        N Rarity
        Mathmech Equation
        N Rarity
        Mathmech Equation
        Spell Normal
        Mathmech Equation

          Target 1 "Mathmech" monster in your GY; Special Summon it, and if you do, it gains 1000 ATK until the end of this turn. You can only activate 1 "Mathmech Equation" per turn.

          SR Rarity
          Small World
          SR Rarity
          Small World
          SR Rarity
          Small World
          Spell Normal
          Small World

            Reveal 1 monster in your hand, choose 1 monster from your Deck that has exactly 1 of the same Type, Attribute, Level, ATK or DEF, and banish the revealed monster from your hand face-down. Then add, from the Deck to your hand, 1 monster that has exactly 1 of the same Type, Attribute, Level, ATK or DEF as the monster chosen from your Deck, and banish the card chosen from the Deck face-down. You can only activate 1 "Small World" per turn.

            UR Rarity
            Infinite Impermanence
            UR Rarity
            Infinite Impermanence
            UR Rarity
            Infinite Impermanence
            Trap Normal
            Infinite Impermanence

              Target 1 face-up monster your opponent controls; negate its effects (until the end of this turn), then, if this card was Set before activation and is on the field at resolution, for the rest of this turn all other Spell/Trap effects in this column are negated. If you control no cards, you can activate this card from your hand.

              N Rarity
              Mathmech Superfactorial
              N Rarity
              Mathmech Superfactorial
              N Rarity
              Mathmech Superfactorial
              Trap Normal
              Mathmech Superfactorial

                Target up to 3 "Mathmech" monsters in your GY with different names, then activate 1 of these effects; ● Special Summon them, but their effects are negated, then, immediately after this effect resolves, Synchro Summon 1 "Mathmech" Synchro Monster using only those monsters, and shuffle the materials into the Deck instead of sending them to the GY. ● Special Summon them, but their effects are negated, then, immediately after this effect resolves, Xyz Summon 1 "Mathmech" Xyz Monster using only those monsters. You can only activate 1 "Mathmech Superfactorial" per turn.

                Extra Deck

                UR Rarity
                Cyberse Desavewurm
                UR Rarity
                Cyberse Desavewurm
                UR Rarity
                Cyberse Desavewurm
                DARK 6
                Cyberse Desavewurm
                • ATK:

                • 2300

                • DEF:

                • 1500


                1 Cyberse Ritual, Fusion, Synchro, Xyz, or Link Monster + 1 Cyberse monster During your Main Phase: You can Special Summon 1 Cyberse monster from your hand, then you can make this card's Level become the same as that monster. When your opponent activates a Spell/Trap Card or effect, while you control a Link-4 or higher Cyberse monster (Quick Effect): You can banish this card from your field or GY; negate that activation. You can only use each effect of "Cyberse Desavewurm" once per turn.

                UR Rarity
                Accesscode Talker
                UR Rarity
                Accesscode Talker
                UR Rarity
                Accesscode Talker
                DARK
                Accesscode Talker
                • ATK:

                • 2300

                • LINK-4

                Link Arrow:

                Top

                Left

                Bottom

                Right


                2+ Effect Monsters Your opponent cannot activate cards or effects in response to this card's effect activations. If this card is Link Summoned: You can target 1 Link Monster that was used as material for its Link Summon; this card gains ATK equal to that monster's Link Rating x 1000. You can banish 1 Link Monster from your field or GY; destroy 1 card your opponent controls, also for the rest of this turn, you cannot banish monsters with that same Attribute to activate this effect of "Accesscode Talker".



                Tag(s):

                UR Rarity
                Decode Talker Heatsoul
                UR Rarity
                Decode Talker Heatsoul
                UR Rarity
                Decode Talker Heatsoul
                FIRE
                Decode Talker Heatsoul
                • ATK:

                • 2300

                • LINK-3

                Link Arrow:

                Top

                Bottom-Left

                Bottom-Right


                2+ Cyberse monsters with different Attributes Gains 500 ATK for each monster it points to. (Quick Effect): You can pay 1000 LP; draw 1 card, then if your LP are 2000 or less, you can banish this card from the field, and if you do, Special Summon 1 Link-3 or lower Cyberse monster from your Extra Deck, except "Decode Talker Heatsoul". You can only use this effect of "Decode Talker Heatsoul" once per turn.

                SR Rarity
                Firewall Dragon Darkfluid - Neo Tempest Terahertz
                SR Rarity
                Firewall Dragon Darkfluid - Neo Tempest Terahertz
                SR Rarity
                Firewall Dragon Darkfluid - Neo Tempest Terahertz
                DARK
                Firewall Dragon Darkfluid - Neo Tempest Terahertz
                • ATK:

                • 3000

                • LINK-5

                Link Arrow:

                Left

                Bottom-Left

                Bottom-Right

                Right

                Top


                3+ Cyberse monsters Negate any monster effects activated by your opponent during the Battle Phase. (Quick Effect): You can send 1 Cyberse monster from your Deck or Extra Deck to the GY, and if you do, this card gains the Attribute of that monster sent to the GY, also it gains 2500 ATK. You can only use this effect of "Firewall Dragon Darkfluid - Neo Tempest Terahertz" once per turn. This card can attack monsters a number of times each Battle Phase, up to the number of different Attributes it has.

                UR Rarity
                Firewall Dragon Singularity
                UR Rarity
                Firewall Dragon Singularity
                UR Rarity
                Firewall Dragon Singularity
                DARK
                Firewall Dragon Singularity
                • ATK:

                • 3500

                • LINK-6

                Link Arrow:

                Top-Left

                Left

                Bottom

                Right

                Top-Right

                Top


                3+ Effect Monsters (Quick Effect): You can target cards your opponent controls or in their GY up to the number of different card types (Ritual, Fusion, Synchro, Xyz) you control and in your GY; return them to the hand, also this card gains 500 ATK for each returned card. If a monster this card points to is destroyed by battle, or sent to the GY: You can target 1 Cyberse monster in your GY; Special Summon it. You can only use each effect of "Firewall Dragon Singularity" once per turn.

                SR Rarity
                G Golem Crystal Heart
                SR Rarity
                G Golem Crystal Heart
                SR Rarity
                G Golem Crystal Heart
                WATER
                G Golem Crystal Heart
                • ATK:

                • 0

                • LINK-2

                Link Arrow:

                Left

                Bottom


                2 Cyberse monsters You can target 1 EARTH Link Monster in your GY; Special Summon it to your zone this card points to, and if you do, place 1 GG Counter on this card. You can only use this effect of "G Golem Crystal Heart" once per turn. EARTH monsters co-linked to this card gain 600 ATK for each GG Counter on this card, can make a second attack during each Battle Phase, also if they attack a Defense Position monster, inflict piercing battle damage to your opponent.

                SR Rarity
                Linguriboh
                SR Rarity
                Linguriboh
                SR Rarity
                Linguriboh
                DARK
                Linguriboh
                • ATK:

                • 300

                • LINK-1

                Link Arrow:

                Bottom-Left


                1 Level 4 or lower Cyberse monster When your opponent activates a Trap Card (Quick Effect): You can Tribute this card; negate that card's effect, and if you do, banish it. If this card is in your GY (Quick Effect): You can Tribute 1 "@Ignister" monster that was Summoned from the Extra Deck; Special Summon this card. You can only use each effect of "Linguriboh" once per turn.

                UR Rarity
                Link Decoder
                UR Rarity
                Link Decoder
                UR Rarity
                Link Decoder
                DARK
                Link Decoder
                • ATK:

                • 300

                • LINK-1

                Link Arrow:

                Bottom


                1 Level 4 or lower Cyberse monster If this card is sent to the GY as material for a Cyberse Link Monster with 2300 or more original ATK: You can Special Summon this card, but banish it when it leaves the field. You can only use this effect of "Link Decoder" once per turn.

                UR Rarity
                Salamangreat Almiraj
                UR Rarity
                Salamangreat Almiraj
                UR Rarity
                Salamangreat Almiraj
                FIRE
                Salamangreat Almiraj
                • ATK:

                • 0

                • LINK-1

                Link Arrow:

                Bottom-Right


                1 Normal Summoned monster with 1000 or less ATK (Quick Effect): You can Tribute this card, then target 1 monster you control; it cannot be destroyed by your opponent's card effects this turn. When a Normal Summoned monster you control is destroyed by battle, while this card is in your GY: You can Special Summon this card. You can only use this effect of "Salamangreat Almiraj" once per turn.

                SR Rarity
                Splash Mage
                SR Rarity
                Splash Mage
                SR Rarity
                Splash Mage
                WATER
                Splash Mage
                • ATK:

                • 1100

                • LINK-2

                Link Arrow:

                Top-Right

                Bottom-Right


                2 Cyberse monsters You can target 1 Cyberse monster in your GY; Special Summon it in Defense Position, but negate its effects, also you cannot Special Summon monsters for the rest of this turn, except Cyberse monsters. You can only use this effect of "Splash Mage" once per turn.

                SR Rarity
                Transcode Talker
                SR Rarity
                Transcode Talker
                SR Rarity
                Transcode Talker
                EARTH
                Transcode Talker
                • ATK:

                • 2300

                • LINK-3

                Link Arrow:

                Top

                Right

                Bottom


                2+ Effect Monsters While this card is co-linked, it and its co-linked monsters gain 500 ATK, also your opponent cannot target any of them with card effects. You can target 1 Link-3 or lower Cyberse Link Monster in your GY, except "Transcode Talker"; Special Summon it to your zone this card points to. You cannot Special Summon monsters the turn you activate this effect, except Cyberse monsters. You can only use this effect of "Transcode Talker" once per turn.

                N Rarity
                Update Jammer
                N Rarity
                Update Jammer
                N Rarity
                Update Jammer
                WIND
                Update Jammer
                • ATK:

                • 2000

                • LINK-2

                Link Arrow:

                Top

                Left


                2 Level 2 or higher Cyberse monsters Once per battle, during damage calculation, if your Cyberse monster battles (Quick Effect): You can activate this effect; negate all other card effects on the field until the end of the Damage Step, damage calculation for this battle uses each monster's original ATK/DEF, also if an opponent's monster is destroyed by this battle and sent to the GY, inflict 1000 damage to your opponent. If this card is sent to the GY as Link Material: That Link Monster can make a second attack during each Battle Phase this turn.

                SR Rarity
                Mereologic Aggregator
                SR Rarity
                Mereologic Aggregator
                SR Rarity
                Mereologic Aggregator
                DARK
                Mereologic Aggregator
                • ATK:

                • 2600

                • DEF:

                • 3000


                2+ Level 9 monsters If this card is Xyz Summoned: You can send 1 monster from your Extra Deck to the GY. You can target monsters in your GY, up to the number of materials this card has; detach materials from this card equal to the number of those targets in the GY, and if you do, attach those targets to this card as material. If this card is sent to the GY: You can target 1 face-up card on the field; negate its effects until the end of this turn. You can only use each effect of "Mereologic Aggregator" once per turn.

                UR Rarity
                Primathmech Alembertian
                UR Rarity
                Primathmech Alembertian
                UR Rarity
                Primathmech Alembertian
                EARTH
                Primathmech Alembertian
                • ATK:

                • 2000

                • DEF:

                • 0


                2+ Level 4 monsters You can Tribute 1 monster; Special Summon 1 Level 4 "Mathmech" monster from your hand or GY. If this card is Xyz Summoned: You can detach 2 to 4 materials from this card, then activate the appropriate effect; ● 2: Add 1 "Mathmech" card from your Deck to your hand. ● 3: Add 1 Level 4 monster from your Deck to your hand. ● 4: Add 1 Spell/Trap from your Deck to your hand. You can only use each effect of "Primathmech Alembertian" once per turn.

                SR Rarity
                Primathmech Laplacian
                SR Rarity
                Primathmech Laplacian
                SR Rarity
                Primathmech Laplacian
                EARTH
                Primathmech Laplacian
                • ATK:

                • 2000

                • DEF:

                • 0


                3 Level 4 monsters If a "Mathmech" card(s) you control would be destroyed by card effect, you can detach 1 material from this card instead. If this card is Xyz Summoned: You can detach up to 3 materials from it, then choose that many effects (you cannot choose the same effect twice, and you resolve them in the listed order, skipping any that were not chosen); ● Send 1 random card from your opponent's hand to the GY. ● Send 1 monster your opponent controls to the GY. ● Send 1 Spell/Trap your opponent controls to the GY. You can only use this effect of "Primathmech Laplacian" once per turn.

                Need 25 UR

                UR Rarity
                Mathmech Circular3 card
                UR Rarity
                Maxx "C"3 card
                UR Rarity
                Nibiru, the Primal Being1 card
                UR Rarity
                Cyberse Desavewurm1 card
                UR Rarity
                Accesscode Talker1 card
                UR Rarity
                Decode Talker Heatsoul1 card
                UR Rarity
                Link Decoder1 card
                UR Rarity
                Salamangreat Almiraj1 card
                UR Rarity
                Ash Blossom & Joyous Spring3 card
                UR Rarity
                Effect Veiler1 card
                UR Rarity
                Primathmech Alembertian1 card
                UR Rarity
                Called by the Grave2 card
                UR Rarity
                Crossout Designator1 card
                UR Rarity
                Cynet Mining2 card
                UR Rarity
                Harpie's Feather Duster1 card
                UR Rarity
                Infinite Impermanence2 card

                Main: 40 Extra: 15

                SR Rarity
                1 cardDotscaper
                SR Rarity
                1 cardDotscaper
                Dotscaper
                EARTH 1
                Dotscaper
                • ATK:

                • 0

                • DEF:

                • 2100


                If this card is sent to the GY: You can Special Summon this card. If this card is banished: You can Special Summon this card. You can only use 1 "Dotscaper" effect per turn, and only once that turn. You can only use each effect of "Dotscaper" once per Duel.


                R Rarity
                3 cardFirewall Defenser
                R Rarity
                3 cardFirewall Defenser
                Firewall Defenser
                DARK 4
                Firewall Defenser
                • ATK:

                • 1200

                • DEF:

                • 1500


                If this card is sent to the GY as material for the Link Summon of a Cyberse monster: You can Special Summon 1 "Firewall" monster from your Deck, except "Firewall Defenser". You cannot Special Summon monsters the turn you activate this effect, except Cyberse monsters. If a "Firewall" monster(s) you control would be destroyed by card effect, you can banish this card from your GY instead. You can only use each effect of "Firewall Defenser" once per turn.


                R Rarity
                1 cardFirewall Guardian
                R Rarity
                1 cardFirewall Guardian
                Firewall Guardian
                DARK 4
                Firewall Guardian
                • ATK:

                • 100

                • DEF:

                • 2000


                If this card is sent to the GY as material for the Link Summon of a Cyberse monster: You can Special Summon this card, but banish it when it leaves the field. When an attack is declared involving your Link Monster and an opponent's Link Monster: You can banish this card from your GY; negate that attack, and if you do, until the end of this turn, the original ATK of that opponent's monster becomes 0, also it is unaffected by other card effects, except its own. You can only use each effect of "Firewall Guardian" once per turn.


                R Rarity
                1 cardMathmech Addition
                R Rarity
                1 cardMathmech Addition
                Mathmech Addition
                FIRE 4
                Mathmech Addition
                • ATK:

                • 1000

                • DEF:

                • 1000


                You can target 1 face-up monster on the field; you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Cyberse monsters, also Special Summon this card from your hand (but it cannot attack this turn), and if you do, the targeted monster gains 1000 ATK until the end of this turn. You can only use this effect of "Mathmech Addition" once per turn.


                UR Rarity
                3 cardMathmech Circular
                UR Rarity
                3 cardMathmech Circular
                Mathmech Circular
                LIGHT 4
                Mathmech Circular
                • ATK:

                • 1500

                • DEF:

                • 1500


                You can send 1 "Mathmech" monster, except "Mathmech Circular", from your Deck to your GY; Special Summon this card from your hand, also you can only attack with 1 monster for the rest of this turn. If a "Mathmech" monster is Normal or Special Summoned to your field while you control this monster (except during the Damage Step): You can add 1 "Mathmech" Spell/Trap from your Deck to your hand. You can only use each effect of "Mathmech Circular" once per turn.


                N Rarity
                1 cardMathmech Multiplication
                N Rarity
                1 cardMathmech Multiplication
                Mathmech Multiplication
                EARTH 4
                Mathmech Multiplication
                • ATK:

                • 500

                • DEF:

                • 2000


                You can target 1 Level 4 Cyberse monster you control; its Level becomes 8 until the end of this turn. If this card is sent to the GY: You can target 1 Cyberse monster you control in the Extra Monster Zone; its ATK becomes doubled until the end of this turn. You can only use each effect of "Mathmech Multiplication" once per turn.


                R Rarity
                2 cardMathmech Subtraction
                R Rarity
                2 cardMathmech Subtraction
                Mathmech Subtraction
                FIRE 4
                Mathmech Subtraction
                • ATK:

                • 1000

                • DEF:

                • 1000


                You can target 1 face-up monster on the field; you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Cyberse monsters, also Special Summon this card from your hand (but it cannot attack this turn), and if you do, the targeted monster loses 1000 ATK until the end of this turn. You can only use this effect of "Mathmech Subtraction" once per turn.


                UR Rarity
                3 cardMaxx "C"
                UR Rarity
                3 cardMaxx "C"
                Maxx "C"
                EARTH 2
                Maxx "C"
                • ATK:

                • 500

                • DEF:

                • 200


                During either player's turn: You can send this card from your hand to the Graveyard; this turn, each time your opponent Special Summons a monster(s), immediately draw 1 card. You can only use 1 "Maxx "C"" per turn.


                UR Rarity
                1 cardNibiru, the Primal Being
                UR Rarity
                1 cardNibiru, the Primal Being
                Nibiru, the Primal Being
                LIGHT 11
                Nibiru, the Primal Being
                • ATK:

                • 3000

                • DEF:

                • 600


                During the Main Phase, if your opponent Normal or Special Summoned 5 or more monsters this turn (Quick Effect): You can Tribute as many face-up monsters on the field as possible, and if you do, Special Summon this card from your hand, then Special Summon 1 "Primal Being Token" (Rock/LIGHT/Level 11/ATK ?/DEF ?) to your opponent's field. (This Token's ATK/DEF become the combined original ATK/DEF of the Tributed monsters.) You can only use this effect of "Nibiru, the Primal Being" once per turn.


                N Rarity
                2 cardParallel eXceed
                N Rarity
                2 cardParallel eXceed
                Parallel eXceed
                WIND 8
                Parallel eXceed
                • ATK:

                • 2000

                • DEF:

                • 2000


                If this card is Special Summoned by the effect of "Parallel eXceed", its Level becomes 4 and its original ATK/DEF become halved. You can only use each of the following effects of "Parallel eXceed" once per turn. ● If you Link Summon: You can Special Summon this card from your hand to your zone that Link Monster points to. ● If this card is Normal or Special Summoned: You can Special Summon 1 "Parallel eXceed" from your Deck.


                SR Rarity
                3 cardSkull Meister
                SR Rarity
                3 cardSkull Meister
                Skull Meister
                DARK 4
                Skull Meister
                • ATK:

                • 1700

                • DEF:

                • 400


                When a card effect is activated in your opponent's GY (Quick Effect): You can send this card from your hand to the GY; negate that effect.


                UR Rarity
                3 cardAsh Blossom & Joyous Spring
                UR Rarity
                3 cardAsh Blossom & Joyous Spring
                Ash Blossom & Joyous Spring
                FIRE 3
                Ash Blossom & Joyous Spring
                • ATK:

                • 0

                • DEF:

                • 1800


                When a card or effect is activated that includes any of these effects (Quick Effect): You can discard this card; negate that effect. ● Add a card from the Deck to the hand. ● Special Summon from the Deck. ● Send a card from the Deck to the GY. You can only use this effect of "Ash Blossom & Joyous Spring" once per turn.


                UR Rarity
                1 cardEffect Veiler
                UR Rarity
                1 cardEffect Veiler
                Effect Veiler
                LIGHT 1
                Effect Veiler
                • ATK:

                • 0

                • DEF:

                • 0


                During your opponent's Main Phase (Quick Effect): You can send this card from your hand to the GY, then target 1 Effect Monster your opponent controls; negate the effects of that face-up monster your opponent controls, until the end of this turn.


                R Rarity
                1 cardMathmech Diameter
                R Rarity
                1 cardMathmech Diameter
                Mathmech Diameter
                LIGHT 4
                Mathmech Diameter
                • ATK:

                • 1000

                • DEF:

                • 1500


                When this card is Normal Summoned: You can target 1 Level 4 Cyberse monster in your GY; Special Summon it, but it cannot activate its effects. A "Mathmech" monster that was Synchro or Xyz Summoned using this card on the field as material gains the following effect. ● Once per turn, during the turn this card was Special Summoned, when your opponent activates a card or effect (Quick Effect): You can negate that effect. You can only use each effect of "Mathmech Diameter" once per turn.


                SR Rarity
                1 cardMathmech Sigma
                SR Rarity
                1 cardMathmech Sigma
                Mathmech Sigma
                LIGHT 4
                Mathmech Sigma
                • ATK:

                • 1000

                • DEF:

                • 1500


                If you control no monsters in the Extra Monster Zone, while this card is in your hand or GY: You can Special Summon this card, but banish it when it leaves the field, also you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Cyberse monsters. You can only use this effect of "Mathmech Sigma" once per turn. If this card you control is used as Synchro Material for a "Mathmech" monster, you can treat it as a non-Tuner.


                UR Rarity
                2 cardCalled by the Grave
                UR Rarity
                2 cardCalled by the Grave
                Called by the Grave
                Spell Quick
                Called by the Grave

                  Target 1 monster in your opponent's GY; banish it, and if you do, until the end of the next turn, its effects are negated, as well as the activated effects and effects on the field of monsters with the same original name.




                  Tag(s):

                  UR Rarity
                  1 cardCrossout Designator
                  UR Rarity
                  1 cardCrossout Designator
                  Crossout Designator
                  Spell Quick
                  Crossout Designator

                    Declare 1 card name; banish 1 of that declared card from your Main Deck, and if you do, negate its effects, as well as the activated effects and effects on the field of cards with the same original name, until the end of this turn. You can only activate 1 "Crossout Designator" per turn.




                    Tag(s):

                    UR Rarity
                    2 cardCynet Mining
                    UR Rarity
                    2 cardCynet Mining
                    Cynet Mining
                    Spell Normal
                    Cynet Mining

                      Send 1 card from your hand to the GY; add 1 Level 4 or lower Cyberse monster from your Deck to your hand. You can only activate 1 "Cynet Mining" per turn.


                      UR Rarity
                      1 cardHarpie's Feather Duster
                      UR Rarity
                      1 cardHarpie's Feather Duster
                      Harpie's Feather Duster
                      Spell Normal
                      Harpie's Feather Duster

                        Destroy all Spell and Trap Cards your opponent controls.




                        Tag(s):

                        N Rarity
                        1 cardMathmech Equation
                        N Rarity
                        1 cardMathmech Equation
                        Mathmech Equation
                        Spell Normal
                        Mathmech Equation

                          Target 1 "Mathmech" monster in your GY; Special Summon it, and if you do, it gains 1000 ATK until the end of this turn. You can only activate 1 "Mathmech Equation" per turn.


                          SR Rarity
                          3 cardSmall World
                          SR Rarity
                          3 cardSmall World
                          Small World
                          Spell Normal
                          Small World

                            Reveal 1 monster in your hand, choose 1 monster from your Deck that has exactly 1 of the same Type, Attribute, Level, ATK or DEF, and banish the revealed monster from your hand face-down. Then add, from the Deck to your hand, 1 monster that has exactly 1 of the same Type, Attribute, Level, ATK or DEF as the monster chosen from your Deck, and banish the card chosen from the Deck face-down. You can only activate 1 "Small World" per turn.


                            UR Rarity
                            2 cardInfinite Impermanence
                            UR Rarity
                            2 cardInfinite Impermanence
                            Infinite Impermanence
                            Trap Normal
                            Infinite Impermanence

                              Target 1 face-up monster your opponent controls; negate its effects (until the end of this turn), then, if this card was Set before activation and is on the field at resolution, for the rest of this turn all other Spell/Trap effects in this column are negated. If you control no cards, you can activate this card from your hand.


                              N Rarity
                              1 cardMathmech Superfactorial
                              N Rarity
                              1 cardMathmech Superfactorial
                              Mathmech Superfactorial
                              Trap Normal
                              Mathmech Superfactorial

                                Target up to 3 "Mathmech" monsters in your GY with different names, then activate 1 of these effects; ● Special Summon them, but their effects are negated, then, immediately after this effect resolves, Synchro Summon 1 "Mathmech" Synchro Monster using only those monsters, and shuffle the materials into the Deck instead of sending them to the GY. ● Special Summon them, but their effects are negated, then, immediately after this effect resolves, Xyz Summon 1 "Mathmech" Xyz Monster using only those monsters. You can only activate 1 "Mathmech Superfactorial" per turn.


                                UR Rarity
                                1 cardCyberse Desavewurm
                                UR Rarity
                                1 cardCyberse Desavewurm
                                Cyberse Desavewurm
                                DARK 6
                                Cyberse Desavewurm
                                • ATK:

                                • 2300

                                • DEF:

                                • 1500


                                1 Cyberse Ritual, Fusion, Synchro, Xyz, or Link Monster + 1 Cyberse monster During your Main Phase: You can Special Summon 1 Cyberse monster from your hand, then you can make this card's Level become the same as that monster. When your opponent activates a Spell/Trap Card or effect, while you control a Link-4 or higher Cyberse monster (Quick Effect): You can banish this card from your field or GY; negate that activation. You can only use each effect of "Cyberse Desavewurm" once per turn.


                                UR Rarity
                                1 cardAccesscode Talker
                                UR Rarity
                                1 cardAccesscode Talker
                                Accesscode Talker
                                DARK
                                Accesscode Talker
                                • ATK:

                                • 2300

                                • LINK-4

                                Link Arrow:

                                Top

                                Left

                                Bottom

                                Right


                                2+ Effect Monsters Your opponent cannot activate cards or effects in response to this card's effect activations. If this card is Link Summoned: You can target 1 Link Monster that was used as material for its Link Summon; this card gains ATK equal to that monster's Link Rating x 1000. You can banish 1 Link Monster from your field or GY; destroy 1 card your opponent controls, also for the rest of this turn, you cannot banish monsters with that same Attribute to activate this effect of "Accesscode Talker".




                                Tag(s):

                                UR Rarity
                                1 cardDecode Talker Heatsoul
                                UR Rarity
                                1 cardDecode Talker Heatsoul
                                Decode Talker Heatsoul
                                FIRE
                                Decode Talker Heatsoul
                                • ATK:

                                • 2300

                                • LINK-3

                                Link Arrow:

                                Top

                                Bottom-Left

                                Bottom-Right


                                2+ Cyberse monsters with different Attributes Gains 500 ATK for each monster it points to. (Quick Effect): You can pay 1000 LP; draw 1 card, then if your LP are 2000 or less, you can banish this card from the field, and if you do, Special Summon 1 Link-3 or lower Cyberse monster from your Extra Deck, except "Decode Talker Heatsoul". You can only use this effect of "Decode Talker Heatsoul" once per turn.


                                SR Rarity
                                1 cardFirewall Dragon Darkfluid - Neo Tempest Terahertz
                                SR Rarity
                                1 cardFirewall Dragon Darkfluid - Neo Tempest Terahertz
                                Firewall Dragon Darkfluid - Neo Tempest Terahertz
                                DARK
                                Firewall Dragon Darkfluid - Neo Tempest Terahertz
                                • ATK:

                                • 3000

                                • LINK-5

                                Link Arrow:

                                Left

                                Bottom-Left

                                Bottom-Right

                                Right

                                Top


                                3+ Cyberse monsters Negate any monster effects activated by your opponent during the Battle Phase. (Quick Effect): You can send 1 Cyberse monster from your Deck or Extra Deck to the GY, and if you do, this card gains the Attribute of that monster sent to the GY, also it gains 2500 ATK. You can only use this effect of "Firewall Dragon Darkfluid - Neo Tempest Terahertz" once per turn. This card can attack monsters a number of times each Battle Phase, up to the number of different Attributes it has.


                                SR Rarity
                                1 cardG Golem Crystal Heart
                                SR Rarity
                                1 cardG Golem Crystal Heart
                                G Golem Crystal Heart
                                WATER
                                G Golem Crystal Heart
                                • ATK:

                                • 0

                                • LINK-2

                                Link Arrow:

                                Left

                                Bottom


                                2 Cyberse monsters You can target 1 EARTH Link Monster in your GY; Special Summon it to your zone this card points to, and if you do, place 1 GG Counter on this card. You can only use this effect of "G Golem Crystal Heart" once per turn. EARTH monsters co-linked to this card gain 600 ATK for each GG Counter on this card, can make a second attack during each Battle Phase, also if they attack a Defense Position monster, inflict piercing battle damage to your opponent.


                                SR Rarity
                                1 cardLinguriboh
                                SR Rarity
                                1 cardLinguriboh
                                Linguriboh
                                DARK
                                Linguriboh
                                • ATK:

                                • 300

                                • LINK-1

                                Link Arrow:

                                Bottom-Left


                                1 Level 4 or lower Cyberse monster When your opponent activates a Trap Card (Quick Effect): You can Tribute this card; negate that card's effect, and if you do, banish it. If this card is in your GY (Quick Effect): You can Tribute 1 "@Ignister" monster that was Summoned from the Extra Deck; Special Summon this card. You can only use each effect of "Linguriboh" once per turn.


                                UR Rarity
                                1 cardLink Decoder
                                UR Rarity
                                1 cardLink Decoder
                                Link Decoder
                                DARK
                                Link Decoder
                                • ATK:

                                • 300

                                • LINK-1

                                Link Arrow:

                                Bottom


                                1 Level 4 or lower Cyberse monster If this card is sent to the GY as material for a Cyberse Link Monster with 2300 or more original ATK: You can Special Summon this card, but banish it when it leaves the field. You can only use this effect of "Link Decoder" once per turn.


                                SR Rarity
                                1 cardLink Spider
                                SR Rarity
                                1 cardLink Spider
                                Link Spider
                                EARTH
                                Link Spider
                                • ATK:

                                • 1000

                                • LINK-1

                                Link Arrow:

                                Bottom


                                1 Normal Monster Once per turn: You can Special Summon 1 Level 4 or lower Normal Monster from your hand to your zone this card points to.


                                UR Rarity
                                1 cardSalamangreat Almiraj
                                UR Rarity
                                1 cardSalamangreat Almiraj
                                Salamangreat Almiraj
                                FIRE
                                Salamangreat Almiraj
                                • ATK:

                                • 0

                                • LINK-1

                                Link Arrow:

                                Bottom-Right


                                1 Normal Summoned monster with 1000 or less ATK (Quick Effect): You can Tribute this card, then target 1 monster you control; it cannot be destroyed by your opponent's card effects this turn. When a Normal Summoned monster you control is destroyed by battle, while this card is in your GY: You can Special Summon this card. You can only use this effect of "Salamangreat Almiraj" once per turn.


                                SR Rarity
                                1 cardSplash Mage
                                SR Rarity
                                1 cardSplash Mage
                                Splash Mage
                                WATER
                                Splash Mage
                                • ATK:

                                • 1100

                                • LINK-2

                                Link Arrow:

                                Top-Right

                                Bottom-Right


                                2 Cyberse monsters You can target 1 Cyberse monster in your GY; Special Summon it in Defense Position, but negate its effects, also you cannot Special Summon monsters for the rest of this turn, except Cyberse monsters. You can only use this effect of "Splash Mage" once per turn.


                                SR Rarity
                                1 cardTranscode Talker
                                SR Rarity
                                1 cardTranscode Talker
                                Transcode Talker
                                EARTH
                                Transcode Talker
                                • ATK:

                                • 2300

                                • LINK-3

                                Link Arrow:

                                Top

                                Right

                                Bottom


                                2+ Effect Monsters While this card is co-linked, it and its co-linked monsters gain 500 ATK, also your opponent cannot target any of them with card effects. You can target 1 Link-3 or lower Cyberse Link Monster in your GY, except "Transcode Talker"; Special Summon it to your zone this card points to. You cannot Special Summon monsters the turn you activate this effect, except Cyberse monsters. You can only use this effect of "Transcode Talker" once per turn.


                                N Rarity
                                1 cardUpdate Jammer
                                N Rarity
                                1 cardUpdate Jammer
                                Update Jammer
                                WIND
                                Update Jammer
                                • ATK:

                                • 2000

                                • LINK-2

                                Link Arrow:

                                Top

                                Left


                                2 Level 2 or higher Cyberse monsters Once per battle, during damage calculation, if your Cyberse monster battles (Quick Effect): You can activate this effect; negate all other card effects on the field until the end of the Damage Step, damage calculation for this battle uses each monster's original ATK/DEF, also if an opponent's monster is destroyed by this battle and sent to the GY, inflict 1000 damage to your opponent. If this card is sent to the GY as Link Material: That Link Monster can make a second attack during each Battle Phase this turn.


                                SR Rarity
                                1 cardMereologic Aggregator
                                SR Rarity
                                1 cardMereologic Aggregator
                                Mereologic Aggregator
                                DARK
                                Mereologic Aggregator
                                • ATK:

                                • 2600

                                • DEF:

                                • 3000


                                2+ Level 9 monsters If this card is Xyz Summoned: You can send 1 monster from your Extra Deck to the GY. You can target monsters in your GY, up to the number of materials this card has; detach materials from this card equal to the number of those targets in the GY, and if you do, attach those targets to this card as material. If this card is sent to the GY: You can target 1 face-up card on the field; negate its effects until the end of this turn. You can only use each effect of "Mereologic Aggregator" once per turn.


                                UR Rarity
                                1 cardPrimathmech Alembertian
                                UR Rarity
                                1 cardPrimathmech Alembertian
                                Primathmech Alembertian
                                EARTH
                                Primathmech Alembertian
                                • ATK:

                                • 2000

                                • DEF:

                                • 0


                                2+ Level 4 monsters You can Tribute 1 monster; Special Summon 1 Level 4 "Mathmech" monster from your hand or GY. If this card is Xyz Summoned: You can detach 2 to 4 materials from this card, then activate the appropriate effect; ● 2: Add 1 "Mathmech" card from your Deck to your hand. ● 3: Add 1 Level 4 monster from your Deck to your hand. ● 4: Add 1 Spell/Trap from your Deck to your hand. You can only use each effect of "Primathmech Alembertian" once per turn.


                                SR Rarity
                                1 cardPrimathmech Laplacian
                                SR Rarity
                                1 cardPrimathmech Laplacian
                                Primathmech Laplacian
                                EARTH
                                Primathmech Laplacian
                                • ATK:

                                • 2000

                                • DEF:

                                • 0


                                3 Level 4 monsters If a "Mathmech" card(s) you control would be destroyed by card effect, you can detach 1 material from this card instead. If this card is Xyz Summoned: You can detach up to 3 materials from it, then choose that many effects (you cannot choose the same effect twice, and you resolve them in the listed order, skipping any that were not chosen); ● Send 1 random card from your opponent's hand to the GY. ● Send 1 monster your opponent controls to the GY. ● Send 1 Spell/Trap your opponent controls to the GY. You can only use this effect of "Primathmech Laplacian" once per turn.


                                Guides

                                Video Gameplay





                                MATHMECH Decks in MASTER DUEL