Created by: YGO Mod (20517634)

Created On: 09/16/2025

Main: 55 Extra: 15

2 cardMathmech Addition 2 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.


1 cardMathmech Circular
1 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.


2 cardMathmech Division 2 cardMathmech Division
Mathmech Division
EARTH 4
Mathmech Division
  • ATK:

  • 1500

  • DEF:

  • 1000


You can Tribute 1 Cyberse monster you control in the Extra Monster Zone; Special Summon up to 1 Level 4 Cyberse monster each from your hand and GY. If this card is sent to the GY: You can target 1 face-up monster on the field; its ATK becomes halved until the end of this turn. You can only use each effect of "Mathmech Division" once per turn.


2 cardMathmech Multiplication 2 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.


2 cardMathmech Subtraction 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.


2 cardMaxx "C"
2 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.


1 cardSkull Meister 1 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.


3 cardAsh Blossom & Joyous Spring 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.


2 cardEffect Veiler 2 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.


1 cardGhost Belle & Haunted Mansion 1 cardGhost Belle & Haunted Mansion
Ghost Belle & Haunted Mansion
EARTH 3
Ghost Belle & Haunted Mansion
  • 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 activation. ● Add a card(s) from the GY to the hand, Deck, and/or Extra Deck. ● Special Summon a Monster Card(s) from the GY. ● Banish a card(s) from the GY. You can only use this effect of "Ghost Belle & Haunted Mansion" once per turn.


3 cardGhost Ogre & Snow Rabbit 3 cardGhost Ogre & Snow Rabbit
Ghost Ogre & Snow Rabbit
LIGHT 3
Ghost Ogre & Snow Rabbit
  • ATK:

  • 0

  • DEF:

  • 1800


When a monster on the field activates its effect, or when a Spell/Trap that is already face-up on the field activates its effect (Quick Effect): You can send this card from your hand or field to the GY; destroy that card on the field. You can only use this effect of "Ghost Ogre & Snow Rabbit" once per turn.


3 cardMathmech Diameter 3 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.


2 cardMathmech Nabla 2 cardMathmech Nabla
Mathmech Nabla
DARK 4
Mathmech Nabla
  • ATK:

  • 1000

  • DEF:

  • 1500


You can Tribute 1 Cyberse monster; Special Summon 1 "Mathmech" monster from your Deck. If this card is sent to the GY: You can target 1 Cyberse monster you control in the Extra Monster Zone; it can make up to 2 attacks on monsters during each Battle Phase this turn. You can only use each effect of "Mathmech Nabla" once per turn.


3 cardMathmech Sigma 3 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.


2 cardCalled by the Grave
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):

    2 cardChange of Heart
    2 cardChange of Heart
    Change of Heart
    Spell Normal
    Change of Heart

      Target 1 monster your opponent controls; take control of it until the End Phase.


      1 cardCrossout Designator
      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):

        3 cardCynet Mining 3 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.


          1 cardFoolish Burial
          1 cardFoolish Burial
          Foolish Burial
          Spell Normal
          Foolish Burial

            Send 1 monster from your Deck to the GY.




            Tag(s):

            1 cardForbidden Droplet 1 cardForbidden Droplet
            Forbidden Droplet
            Spell Quick
            Forbidden Droplet

              Send any number of other cards from your hand and/or field to the GY; choose that many Effect Monsters your opponent controls, and until the end of this turn, their ATK is halved, also their effects are negated. In response to this card's activation, your opponent cannot activate cards, or the effects of cards, with the same original type (Monster/Spell/Trap) as the cards sent to the GY to activate this card. You can only activate 1 "Forbidden Droplet" per turn.




              Tag(s):

              1 cardHarpie's Feather Duster
              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):

                1 cardHeavy Storm
                1 cardHeavy Storm
                Heavy Storm
                Spell Normal
                Heavy Storm

                  Destroy all Spell and Trap Cards on the field.


                  1 cardMathmech Billionblade Nayuta 1 cardMathmech Billionblade Nayuta
                  Mathmech Billionblade Nayuta
                  Spell Equip
                  Mathmech Billionblade Nayuta

                    Equip only to a Cyberse monster. If the equipped monster battles an opponent's monster, during damage calculation: You can send 1 "Mathmech" monster from your Deck to the GY; the equipped monster gains ATK equal to the sent monster's ATK, until the end of this turn (even if this card leaves the field). If this card is sent from the Spell & Trap Zone to the GY: You can target 1 "Mathmech" card in your GY, except "Mathmech Billionblade Nayuta"; add it to your hand. You can only use each effect of "Mathmech Billionblade Nayuta" once per turn.


                    1 cardMathmech Equation 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.


                      3 cardRaigeki
                      3 cardRaigeki
                      Raigeki
                      Spell Normal
                      Raigeki

                        Destroy all monsters your opponent controls.




                        Tag(s):

                        2 cardTriple Tactics Talent
                        2 cardTriple Tactics Talent
                        Triple Tactics Talent
                        Spell Normal
                        Triple Tactics Talent

                          If your opponent has activated a monster effect during your Main Phase this turn: Activate 1 of these effects; ● Draw 2 cards. ● Take control of 1 monster your opponent controls until the End Phase. ● Look at your opponent's hand, and choose 1 card from it to shuffle into the Deck. You can only activate 1 "Triple Tactics Talent" per turn.




                          Tag(s):

                          2 cardEvenly Matched 2 cardEvenly Matched
                          Evenly Matched
                          Trap Normal
                          Evenly Matched

                            At the end of the Battle Phase, if your opponent controls more cards than you do: You can make your opponent banish cards from their field face-down so they control the same number of cards as you do. If you control no cards, you can activate this card from your hand.


                            2 cardInfinite Impermanence 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.


                              2 cardMathmech Superfactorial 2 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.


                                1 cardRed Reboot
                                1 cardRed Reboot
                                Red Reboot
                                Trap Counter
                                Red Reboot

                                  When your opponent activates a Trap Card: Negate the activation, and if you do, Set that card face-down, then they can Set 1 other Trap directly from their Deck. For the rest of this turn after this card resolves, your opponent cannot activate Trap Cards. You can activate this card from your hand by paying half your LP.


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

                                  • 2300

                                  • LINK-4

                                  Link Arrow:

                                  Top

                                  Left

                                  Right

                                  Bottom


                                  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):

                                  1 cardDecode Talker Heatsoul 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.


                                  1 cardFirewall Dragon Darkfluid - Neo Tempest Terahertz 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:

                                  Top

                                  Left

                                  Right

                                  Bottom-Left

                                  Bottom-Right


                                  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.


                                  1 cardS:P Little Knight
                                  1 cardS:P Little Knight
                                  S:P Little Knight
                                  DARK
                                  S:P Little Knight
                                  • ATK:

                                  • 1600

                                  • LINK-2

                                  Link Arrow:

                                  Left

                                  Right


                                  2 Effect Monsters If this card is Link Summoned using a Fusion, Synchro, Xyz, or Link Monster as material: You can target 1 card on the field or in either GY; banish it, also your monsters cannot attack directly this turn. When your opponent activates a card or effect (Quick Effect): You can target 2 face-up monsters on the field, including a monster you control; banish both until the End Phase. You can only use each effect of "S:P Little Knight" once per turn.


                                  1 cardSalamangreat Almiraj 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.


                                  1 cardSplash Mage 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.


                                  1 cardTranscode Talker 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.


                                  2 cardGeomathmech Final Sigma 2 cardGeomathmech Final Sigma
                                  Geomathmech Final Sigma
                                  FIRE 12
                                  Geomathmech Final Sigma
                                  • ATK:

                                  • 3000

                                  • DEF:

                                  • 0


                                  1 Tuner + 1+ non-Tuner monsters Unaffected by card effects, except "Mathmech" cards, while in the Extra Monster Zone. If this card in the Extra Monster Zone battles an opponent's monster, any battle damage it inflicts to your opponent is doubled. If this card is destroyed by battle, or if this card in its owner's possession is destroyed by an opponent's card effect: You can add 1 "Mathmech" card from your Deck to your hand. You can only use this effect of "Geomathmech Final Sigma" once per turn.


                                  1 cardDPH Gendamoore 1 cardDPH Gendamoore
                                  DPH Gendamoore
                                  FIRE 8
                                  DPH Gendamoore
                                  • ATK:

                                  • 2000

                                  • DEF:

                                  • 2800


                                  1 Tuner + 1+ non-Tuner monsters If this card is Synchro Summoned: You can Special Summon 1 Level 4 Cyberse monster from your GY in Defense Position, but negate its effects, also you cannot Special Summon for the rest of this turn, except Cyberse monsters. When your Cyberse monster battles an opponent's monster and inflicts battle damage to them: You can banish this card from your GY; inflict that much damage to your opponent. You can only use each effect of "DPH Gendamoore" once per turn.


                                  1 cardGeomathmech Magma 1 cardGeomathmech Magma
                                  Geomathmech Magma
                                  FIRE 8
                                  Geomathmech Magma
                                  • ATK:

                                  • 2500

                                  • DEF:

                                  • 0


                                  1 Tuner + 1+ non-Tuner monsters When this card destroys a monster by battle: You can target up to 2 cards your opponent controls; destroy them. If this card is destroyed by battle, or if this card in its owner's possession is destroyed by an opponent's card effect: You can add 1 "Mathmech" Spell/Trap from your Deck to your hand. You can only use each effect of "Geomathmech Magma" once per turn.


                                  2 cardPrimathmech Alembertian 2 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.


                                  2 cardPrimathmech Laplacian 2 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.




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