Created by: YGO Mod (20517634)

Created On: 11/09/2025

Need 39 UR

 Rarity
Gem-Knight Hollowcore2 card
 Rarity
Gem-Knight Nepyrim3 card
UR Rarity
Maxx "C"2 card
UR Rarity
Mulcharmy Fuwalos3 card
UR Rarity
Mulcharmy Meowls2 card
UR Rarity
Gem-Knight Lady Brilliant Diamond1 card
UR Rarity
Gem-Knight Lady Rose Diamond1 card
UR Rarity
Gem-Knight Master Diamond1 card
 Rarity
Gem-Knight Master Diamond Dispersion1 card
UR Rarity
Underworld Goddess of the Closed World1 card
UR Rarity
Brilliant Fusion3 card
UR Rarity
Forbidden Droplet3 card
 Rarity
Gem-Knight Dispersion3 card
UR Rarity
Harpie's Feather Duster1 card
UR Rarity
Heavy Storm1 card
UR Rarity
Lightning Storm2 card
UR Rarity
Sales Ban2 card
UR Rarity
Triple Tactics Talent2 card
UR Rarity
Triple Tactics Thrust1 card
UR Rarity
Ultimate Slayer2 card
UR Rarity
Red Reboot2 card

Main: 40 Extra: 15

N Rarity
1 cardGem-Armadillo
N Rarity
1 cardGem-Armadillo
Gem-Armadillo
EARTH 4
Gem-Armadillo
  • ATK:

  • 1700

  • DEF:

  • 500


When this card is Normal Summoned: You can add 1 "Gem-Knight" monster from your Deck to your hand.


 Rarity
2 cardGem-Knight Hollowcore
 Rarity
2 cardGem-Knight Hollowcore
Gem-Knight Hollowcore
DARK 7
Gem-Knight Hollowcore
  • ATK:

  • 1950

  • DEF:

  • 2450


You can send 1 "Gem-Knight" Normal Monster or 1 "Gem-Knight Fusion" from your Deck to the GY; Special Summon this card from your hand in Defense Position. When your opponent activates a card or effect, while you control a "Gem-Knight" Fusion Monster (Quick Effect): You can banish 3 "Gem-Knight" cards from your GY, including this card; negate that effect, then all "Gem-Knight" monsters you currently control gain 1000 ATK. You can only use each effect of "Gem-Knight Hollowcore" once per turn.


 Rarity
3 cardGem-Knight Nepyrim
 Rarity
3 cardGem-Knight Nepyrim
Gem-Knight Nepyrim
LIGHT 4
Gem-Knight Nepyrim
  • ATK:

  • 1550

  • DEF:

  • 1600


If this card is Normal or Special Summoned: You can add 1 "Gem-Knight" card from your Deck to your hand, except "Gem-Knight Nepyrim", also any effect damage your opponent takes during the Main Phase this turn is halved. During your Main Phase, you can: Immediately after this effect resolves, Normal Summon 1 "Gem-" monster. If this card is sent from the hand or Deck to the GY: You can send 1 card from your hand to the GY, and if you do, Special Summon this card. You can only use each effect of "Gem-Knight Nepyrim" once per turn.


SR Rarity
3 cardGem-Knight Quartz
SR Rarity
3 cardGem-Knight Quartz
Gem-Knight Quartz
EARTH 4
Gem-Knight Quartz
  • ATK:

  • 1500

  • DEF:

  • 1500


If your opponent controls a monster: You can discard this card; Set 1 "Fusion" Continuous Spell directly from your Deck, also you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except "Gem-Knight" monsters. If this card is used as material for a Fusion Summon, and sent to the GY or banished: You can add 1 "Gem-Knight" monster from your GY to your hand, except "Gem-Knight Quartz". You can only use each effect of "Gem-Knight Quartz" once per turn.


UR Rarity
2 cardMaxx "C"
UR Rarity
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.


UR Rarity
3 cardMulcharmy Fuwalos
UR Rarity
3 cardMulcharmy Fuwalos
Mulcharmy Fuwalos
WIND 4
Mulcharmy Fuwalos
  • ATK:

  • 100

  • DEF:

  • 600


If you control no cards (Quick Effect): You can discard this card; apply these effects this turn. ● Each time your opponent Special Summons a monster(s) from the Deck and/or Extra Deck, immediately draw 1 card. ● Once, during this End Phase, if the number of cards in your hand is more than the number of cards your opponent controls +6, you must randomly shuffle cards from your hand into the Deck so the number in your hand equals the number your opponent controls +6. You can only activate 1 other "Mulcharmy" monster effect, the turn you activate this effect.


UR Rarity
2 cardMulcharmy Meowls
UR Rarity
2 cardMulcharmy Meowls
Mulcharmy Meowls
EARTH 4
Mulcharmy Meowls
  • ATK:

  • 100

  • DEF:

  • 600


If you control no cards (Quick Effect): You can discard this card; apply these effects this turn. ● Each time your opponent Special Summons a monster(s) from any GY(s) or banishment, immediately draw 1 card. ● Once, during this End Phase, if the number of cards in your hand is more than the number of cards your opponent controls +6, you must randomly shuffle cards from your hand into the Deck so the number in your hand equals the number your opponent controls +6. You can only activate 1 other "Mulcharmy" monster effect, the turn you activate this effect.


UR Rarity
3 cardBrilliant Fusion
UR Rarity
3 cardBrilliant Fusion
Brilliant Fusion
Spell Continuous
Brilliant Fusion

    When this card is activated: Fusion Summon 1 "Gem-Knight" Fusion Monster from your Extra Deck, using monsters from your Deck as Fusion Material, but change its ATK/DEF to 0. If this card leaves the field, destroy that monster. Once per turn: You can discard 1 Spell; the monster Special Summoned by this card's effect gains ATK/DEF equal to its original ATK/DEF, until the end of your opponent's turn. You can only activate 1 "Brilliant Fusion" per turn.


    UR Rarity
    3 cardForbidden Droplet
    UR Rarity
    3 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):

       Rarity
      3 cardGem-Knight Dispersion
       Rarity
      3 cardGem-Knight Dispersion
      Gem-Knight Dispersion
      Spell Normal
      Gem-Knight Dispersion

        Activate 1 of these effects (but you can only use each effect of "Gem-Knight Dispersion" once per turn); ● Fusion Summon 1 "Gem-Knight" Fusion Monster from your Extra Deck, using monsters from your hand or field. Up to 2 monsters from your Deck/Extra Deck can be used, if they are non-Rock "Gem-Knight" monsters and you have "Gem-Knight Fusion" in your GY. ● Add 1 "Gem-" monster from your Deck or banishment to your hand, also any effect damage your opponent takes during the Main Phase this turn is halved.


        SR Rarity
        1 cardGem-Knight Fusion
        SR Rarity
        1 cardGem-Knight Fusion
        Gem-Knight Fusion
        Spell Normal
        Gem-Knight Fusion

          Fusion Summon 1 "Gem-Knight" Fusion Monster from your Extra Deck, using monsters from your hand or your side of the field as Fusion Materials. If this card is in your Graveyard: You can banish 1 "Gem-Knight" monster from your Graveyard; add this card to your hand.


          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):

            UR Rarity
            1 cardHeavy Storm
            UR Rarity
            1 cardHeavy Storm
            Heavy Storm
            Spell Normal
            Heavy Storm

              Destroy all Spell and Trap Cards on the field.


              UR Rarity
              2 cardLightning Storm
              UR Rarity
              2 cardLightning Storm
              Lightning Storm
              Spell Normal
              Lightning Storm

                If you control no face-up cards: Activate 1 of these effects; ● Destroy all Attack Position monsters your opponent controls. ● Destroy all Spells and Traps your opponent controls. You can only activate 1 "Lightning Storm" per turn.




                Tag(s):

                UR Rarity
                2 cardSales Ban
                UR Rarity
                2 cardSales Ban
                Sales Ban
                Spell Normal
                Sales Ban

                  Declare 1 card name; for the rest of this turn, your opponent cannot activate cards, or the effects of cards, with the same original name as that declared card. The same restrictions apply to you, but for the rest of this Duel instead of just this turn. You can only activate 1 "Sales Ban" per turn.


                  SR Rarity
                  1 cardScatter Fusion
                  SR Rarity
                  1 cardScatter Fusion
                  Scatter Fusion
                  Spell Continuous
                  Scatter Fusion

                    During your Main Phase, if your opponent controls a monster: You can Fusion Summon 1 non-Rock "Gem-Knight" monster from your Extra Deck, using monsters from your Deck as material, also you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except "Gem-Knight" monsters. You can only use this effect of "Scatter Fusion" once per turn. When this card leaves the field, destroy all monsters Summoned by this card's effect.


                    UR Rarity
                    2 cardTriple Tactics Talent
                    UR Rarity
                    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):

                      UR Rarity
                      1 cardTriple Tactics Thrust
                      UR Rarity
                      1 cardTriple Tactics Thrust
                      Triple Tactics Thrust
                      Spell Normal
                      Triple Tactics Thrust

                        If your opponent has activated a monster effect during this turn: Set 1 Normal Spell/Trap directly from your Deck, except "Triple Tactics Thrust", or if your opponent controls a monster, you can add it to your hand instead. That Set card cannot be activated this turn. You can only activate 1 "Triple Tactics Thrust" per turn.


                        UR Rarity
                        2 cardUltimate Slayer
                        UR Rarity
                        2 cardUltimate Slayer
                        Ultimate Slayer
                        Spell Normal
                        Ultimate Slayer

                          Your opponent cannot activate monster effects in response to this card's activation. Send 1 monster from your Extra Deck to the GY, then target 1 monster your opponent controls with the same card type (Fusion, Synchro, Xyz, Pendulum, or Link); shuffle it into the Deck.


                          UR Rarity
                          2 cardRed Reboot
                          UR Rarity
                          2 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.


                            R Rarity
                            1 cardGem-Knight Amethyst
                            R Rarity
                            1 cardGem-Knight Amethyst
                            Gem-Knight Amethyst
                            EARTH 7
                            Gem-Knight Amethyst
                            • ATK:

                            • 1950

                            • DEF:

                            • 2450


                            1 "Gem-Knight" monster + 1 Aqua-Type monster Must first be Fusion Summoned. When this card is sent from the field to the Graveyard: Return all Set Spell and Trap Cards on the field to the hand.


                            SR Rarity
                            1 cardGem-Knight Aquamarine
                            SR Rarity
                            1 cardGem-Knight Aquamarine
                            Gem-Knight Aquamarine
                            EARTH 6
                            Gem-Knight Aquamarine
                            • ATK:

                            • 1400

                            • DEF:

                            • 2600


                            "Gem-Knight Sapphire" + 1 "Gem-Knight" monster Must first be Fusion Summoned with the above Fusion Material Monsters. If this card attacks, it is changed to Defense Position at the end of the Battle Phase. When this card is sent from the field to the Graveyard: Target 1 card your opponent controls; return that target to the hand.


                            UR Rarity
                            1 cardGem-Knight Lady Brilliant Diamond
                            UR Rarity
                            1 cardGem-Knight Lady Brilliant Diamond
                            Gem-Knight Lady Brilliant Diamond
                            EARTH 10
                            Gem-Knight Lady Brilliant Diamond
                            • ATK:

                            • 3400

                            • DEF:

                            • 2000


                            3 "Gem-Knight" monsters Must first be Fusion Summoned with the above Fusion Materials. You can only Special Summon "Gem-Knight Lady Brilliant Diamond(s)" once per turn. Once per turn: You can send 1 face-up "Gem-Knight" monster you control to the Graveyard, and if you do, Special Summon 1 "Gem-Knight" Fusion Monster from your Extra Deck, ignoring its Summoning conditions.


                            UR Rarity
                            1 cardGem-Knight Lady Rose Diamond
                            UR Rarity
                            1 cardGem-Knight Lady Rose Diamond
                            Gem-Knight Lady Rose Diamond
                            EARTH 8
                            Gem-Knight Lady Rose Diamond
                            • ATK:

                            • 2700

                            • DEF:

                            • 2400


                            1 "Gem-Knight" monster + 1 Fairy monster Once per opponent's turn, the first time a "Gem-Knight" monster(s) you control would be destroyed by card effect, it is not destroyed. During your turn, when your opponent activates a monster effect (Quick Effect): You can banish 1 "Gem-Knight" card from your GY, then target 1 face-up card your opponent controls; destroy it.


                            UR Rarity
                            1 cardGem-Knight Master Diamond
                            UR Rarity
                            1 cardGem-Knight Master Diamond
                            Gem-Knight Master Diamond
                            EARTH 9
                            Gem-Knight Master Diamond
                            • ATK:

                            • 2900

                            • DEF:

                            • 2500


                            3 "Gem-Knight" monsters Must first be Fusion Summoned. This card gains 100 ATK for each "Gem-" monster in your Graveyard. Once per turn: You can banish 1 Level 7 or lower "Gem-Knight" Fusion Monster from your Graveyard; until the End Phase, this card's name becomes that monster's, and replace this effect with that monster's original effects.


                             Rarity
                            1 cardGem-Knight Master Diamond Dispersion
                             Rarity
                            1 cardGem-Knight Master Diamond Dispersion
                            Gem-Knight Master Diamond Dispersion
                            EARTH 9
                            Gem-Knight Master Diamond Dispersion
                            • ATK:

                            • 3000

                            • DEF:

                            • 2600


                            3 "Gem-" monsters During the Main Phase (Quick Effect): You can send this card from the field to the GY; Special Summon up to 3 non-Rock "Gem-" monsters with different names from your Extra Deck and/or GY, ignoring their Summoning conditions, also for the rest of this turn, you cannot Special Summon from the Extra Deck, except Fusion Monsters. When your "Gem-Knight" Fusion Monster is destroyed by battle, while this card is in your GY: You can Special Summon this card. You can only use each effect of "Gem-Knight Master Diamond Dispersion" once per turn.


                            SR Rarity
                            1 cardGem-Knight Prismaura
                            SR Rarity
                            1 cardGem-Knight Prismaura
                            Gem-Knight Prismaura
                            EARTH 7
                            Gem-Knight Prismaura
                            • ATK:

                            • 2450

                            • DEF:

                            • 1400


                            1 "Gem-Knight" monster + 1 Thunder-Type monster Must first be Fusion Summoned. Once per turn: You can send 1 "Gem-Knight" card from your hand to the Graveyard to target 1 face-up card on the field; destroy that target.


                            SR Rarity
                            1 cardGem-Knight Ruby
                            SR Rarity
                            1 cardGem-Knight Ruby
                            Gem-Knight Ruby
                            EARTH 6
                            Gem-Knight Ruby
                            • ATK:

                            • 2500

                            • DEF:

                            • 1300


                            "Gem-Knight Garnet" + 1 "Gem-Knight" monster Must first be Fusion Summoned with the above Fusion Material Monsters. Once per turn: You can Tribute 1 face-up "Gem-" monster; this card gains ATK equal to the Tributed monster's ATK on the field, until the End Phase. If this card attacks a Defense Position monster, inflict piercing Battle Damage to your opponent.


                            SR Rarity
                            1 cardGem-Knight Seraphinite
                            SR Rarity
                            1 cardGem-Knight Seraphinite
                            Gem-Knight Seraphinite
                            EARTH 5
                            Gem-Knight Seraphinite
                            • ATK:

                            • 2300

                            • DEF:

                            • 1400


                            1 "Gem-Knight" monster + 1 LIGHT monster Must first be Fusion Summoned with the above Fusion Materials. During your Main Phase, you can Normal Summon/Set 1 monster in addition to your Normal Summon/Set. (You can only gain this effect once per turn.)


                            SR Rarity
                            1 cardGem-Knight Topaz
                            SR Rarity
                            1 cardGem-Knight Topaz
                            Gem-Knight Topaz
                            EARTH 6
                            Gem-Knight Topaz
                            • ATK:

                            • 1800

                            • DEF:

                            • 1800


                            "Gem-Knight Tourmaline" + 1 "Gem-Knight" monster Must first be Fusion Summoned with the above Fusion Material Monsters. This card can attack twice during each Battle Phase. When this card destroys a monster by battle and sends it to the Graveyard: Inflict damage to your opponent equal to the ATK of the destroyed monster in the Graveyard.


                            SR Rarity
                            2 cardGem-Knight Phantom Quartz
                            SR Rarity
                            2 cardGem-Knight Phantom Quartz
                            Gem-Knight Phantom Quartz
                            EARTH
                            Gem-Knight Phantom Quartz
                            • ATK:

                            • 1450

                            • LINK-2

                            Link Arrow:

                            Bottom-Left

                            Bottom-Right


                            2 "Gem-" monsters If this card is Link Summoned: You can add 1 "Gem-Knight" card from your Deck to your hand. You can pay 1000 LP; Fusion Summon 1 "Gem-Knight" Fusion Monster from your Extra Deck, by shuffling Fusion Materials in your possession listed on it into your Deck, that are banished or in the GY, but it cannot attack directly this turn. You can only use each effect of "Gem-Knight Phantom Quartz" once per turn.


                            SR Rarity
                            1 cardTri-Brigade Ferrijit the Barren Blossom
                            SR Rarity
                            1 cardTri-Brigade Ferrijit the Barren Blossom
                            Tri-Brigade Ferrijit the Barren Blossom
                            EARTH
                            Tri-Brigade Ferrijit the Barren Blossom
                            • ATK:

                            • 1600

                            • LINK-2

                            Link Arrow:

                            Left

                            Bottom-Left


                            2 Beast, Beast-Warrior, and/or Winged Beast monsters During your Main Phase: You can Special Summon 1 Level 4 or lower Beast, Beast-Warrior, or Winged Beast monster from your hand, also you cannot use monsters as Link Material for the rest of this turn, except Beast, Beast-Warrior, or Winged Beast monsters. If this card is sent to the GY: You can draw 1 card, then place 1 card from your hand on the bottom of the Deck. You can only use each effect of "Tri-Brigade Ferrijit the Barren Blossom" once per turn.


                            UR Rarity
                            1 cardUnderworld Goddess of the Closed World
                            UR Rarity
                            1 cardUnderworld Goddess of the Closed World
                            Underworld Goddess of the Closed World
                            LIGHT
                            Underworld Goddess of the Closed World
                            • ATK:

                            • 3000

                            • LINK-5

                            Link Arrow:

                            Top

                            Top-Right

                            Right

                            Bottom

                            Bottom-Right


                            4+ Effect Monsters You can also use 1 monster your opponent controls as material to Link Summon this card. If this card is Link Summoned: You can negate the effects of all face-up monsters your opponent currently controls. This Link Summoned card is unaffected by your opponent's activated effects, unless they target this card. Once per turn, when your opponent activates a card or effect that Special Summons a monster(s) from the GY (Quick Effect): You can negate the activation.


                            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.




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