Created by: YGO Mod (20517634)

Created On: 06/11/2026

Need 32 UR

UR Rarity
Gem-Knight Nepyrim3 card
UR Rarity
Maxx "C"1 card
UR Rarity
Mulcharmy Fuwalos3 card
UR Rarity
Mulcharmy Purulia3 card
UR Rarity
Gem-Knight Lady Brilliant Diamond1 card
UR Rarity
Gem-Knight Lady Rose Diamond1 card
UR Rarity
Gem-Knight Master Diamond1 card
UR Rarity
Gem-Knight Master Diamond Dispersion1 card
UR Rarity
Underworld Goddess of the Closed World1 card
 Rarity
Ecclesia and the Dark Dragon1 card
UR Rarity
Light Dragon @Ignister1 card
UR Rarity
Brilliant Fusion2 card
UR Rarity
Forbidden Droplet3 card
UR Rarity
Gem-Knight Dispersion3 card
UR Rarity
Gordian Slicer1 card
UR Rarity
Harpie's Feather Duster1 card
UR Rarity
Heavy Storm1 card
UR Rarity
Lightning Storm1 card
UR Rarity
Sales Ban1 card
 Rarity
The Fallen & The Virtuous2 card

Main: 40 Extra: 15

SR Rarity
1 cardGameciel, the Sea Turtle Kaiju
SR Rarity
1 cardGameciel, the Sea Turtle Kaiju
Gameciel, the Sea Turtle Kaiju
WATER 8
Gameciel, the Sea Turtle Kaiju
  • ATK:

  • 2200

  • DEF:

  • 3000


You can Special Summon this card (from your hand) to your opponent's field in Attack Position, by Tributing 1 monster they control. If your opponent controls a "Kaiju" monster, you can Special Summon this card (from your hand) in Attack Position. You can only control 1 "Kaiju" monster. When your opponent activates a card or effect, except "Gameciel, the Sea Turtle Kaiju" (Quick Effect): You can remove 2 Kaiju Counters from anywhere on the field; negate the activation, and if you do, banish that card.


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.


SR Rarity
1 cardGem-Knight Hollowcore
SR Rarity
1 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.


UR Rarity
3 cardGem-Knight Nepyrim
UR 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
1 cardMaxx "C"
UR Rarity
1 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
3 cardMulcharmy Purulia
UR Rarity
3 cardMulcharmy Purulia
Mulcharmy Purulia
WATER 4
Mulcharmy Purulia
  • 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 Normal or Special Summons a monster(s) from the hand, 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.


SR Rarity
1 cardSanta Claws
SR Rarity
1 cardSanta Claws
Santa Claws
LIGHT 6
Santa Claws
  • ATK:

  • 1200

  • DEF:

  • 2500


You can Special Summon this card (from your hand) to your opponent's field in Defense Position, by Tributing 1 monster they control. If Summoned this way, once, during the End Phase of this turn: You can draw 1 card.


SR Rarity
2 cardBook of Eclipse
SR Rarity
2 cardBook of Eclipse
Book of Eclipse
Spell Quick
Book of Eclipse

    Change all face-up monsters on the field to face-down Defense Position. During the End Phase of this turn, change as many face-down Defense Position monsters your opponent controls as possible to face-up Defense Position, then your opponent draws cards equal to the number of monsters changed face-up by this effect.


    UR Rarity
    2 cardBrilliant Fusion
    UR Rarity
    2 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):

        UR Rarity
        3 cardGem-Knight Dispersion
        UR 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 cardGordian Slicer
            UR Rarity
            1 cardGordian Slicer
            Gordian Slicer
            Spell Normal
            Gordian Slicer

              This card's activation and effect cannot be negated. At the start of your Main Phase 1 or 2: Target any number of face-up cards on the field; for each targeted card, banish 1 card from your hand, or 6 cards from your Extra Deck, face-down, then return those targeted cards to the 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
                  1 cardLightning Storm
                  UR Rarity
                  1 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
                    1 cardSales Ban
                    UR Rarity
                    1 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
                      2 cardScatter Fusion
                      SR Rarity
                      2 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.


                        R Rarity
                        3 cardSwords of Concealing Light
                        R Rarity
                        3 cardSwords of Concealing Light
                        Swords of Concealing Light
                        Spell Continuous
                        Swords of Concealing Light

                          Destroy this card during your 2nd Standby Phase after activation. When this card resolves, change all monsters your opponent controls to face-down Defense Position. Monsters your opponent controls cannot change their battle positions.


                           Rarity
                          2 cardThe Fallen & The Virtuous
                           Rarity
                          2 cardThe Fallen & The Virtuous
                          The Fallen & The Virtuous
                          Spell Quick
                          The Fallen & The Virtuous

                            (This card is always treated as a "Branded" and "Dogmatika" card.) Activate 1 of these effects; ● Send 1 monster that mentions "Fallen of Albaz" from your Extra Deck to the GY, then target 1 face-up card on the field; destroy it. ● If you have an "Ecclesia" monster in your field or GY: Target 1 monster in either GY; Special Summon it to your field. You can only activate 1 "The Fallen & The Virtuous" per turn.


                            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.


                            UR Rarity
                            1 cardGem-Knight Master Diamond Dispersion
                            UR 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.


                            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.


                             Rarity
                            1 cardEcclesia and the Dark Dragon
                             Rarity
                            1 cardEcclesia and the Dark Dragon
                            Ecclesia and the Dark Dragon
                            LIGHT 8
                            Ecclesia and the Dark Dragon
                            • ATK:

                            • 2500

                            • DEF:

                            • 2500


                            1 Tuner + 1+ non-Tuners During the Main Phase (Quick Effect): You can banish this card (until the End Phase), and if you do, Special Summon 1 "Fallen of Albaz" or 1 Level 4 or lower monster that mentions it from your Deck or GY. If this card is in your GY: You can target 1 Level 8 Fusion Monster in your GY or banishment and 1 card on the field; shuffle both of those cards and this card into the Deck. You can only use each effect of "Ecclesia and the Dark Dragon" once per turn.


                            UR Rarity
                            1 cardLight Dragon @Ignister
                            UR Rarity
                            1 cardLight Dragon @Ignister
                            Light Dragon @Ignister
                            LIGHT
                            Light Dragon @Ignister
                            • ATK:

                            • 2300

                            • DEF:

                            • 1500


                            2 Level 4 monsters If a monster(s) you control would be destroyed by card effect, you can detach 1 material from this card instead. You can only use each of the following effects of "Light Dragon @Ignister" once per turn. ● You can detach 1 material from this card; destroy face-up monsters your opponent controls, up to the number of "@Ignister" monsters you control. ● When another Cyberse monster you control inflicts battle damage to your opponent: You can Special Summon 1 Link Monster from your GY.




                            More Master Duel Info

                            Gem-Knights Breakdown

                             

                             

                             

                             

                             

                             

                             

                             

                             

                             

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