Gem-Knight Master Diamond
Passcode: 39512984 Card Database: 10001
Monster Card
Rock
Rock
EARTH Attribute
EARTH
Level 9
Fusion / Effect
ATK 2900
DEF 2500
3 "Gem-Knight" monsters Must first be Fusion Summoned. Gains 100 ATK for each "Gem-" monster in your GY. Once per turn: You can banish 1 Level 7 or lower "Gem-Knight" Fusion Monster from your GY; until the End Phase, this card's name becomes that monster's original name, also replace this effect with that monster's original effects.
MD: Unlimited
OCG: Unlimited
TCG: Limited
Archetypes
MD
Set NameRarityRelease DateExpiry Date
Master PackUR2022-01-19
Pyroxene RelinquishedUR2022-01-19
Recollection of StoriesUR2023-01-102023-01-31
OCG
Set NameCodeRarityRelease Date
Booster SP: Raging MastersSPRG-JP042Super Rare2014-08-09
Duel Terminal - Ouroboros, Wicked Dragon of Destruction!!DT14-JP033Duel Terminal Secret Parallel Rare Duel Terminal Ultra Parallel Rare2012-01-24
Duel Terminal Chronicle 3 - Chapter of DestructionDTC3-JP111Duel Terminal Ultra Parallel Rare Duel Terminal Secret Parallel Rare2012-11-06
Secret Utility BoxSUB1-JP049Normal Parallel Rare2022-12-24
Terminal World 2TW02-JP063Secret Parallel Rare Normal Parallel Rare Ultra Parallel Rare2024-11-23
TCG
Set NameCodeRarityRelease Date
Battles of Legend: Monster MayhemBLMM-EN143Ultra Rare2025-06-13
Duel Terminal 7bDT07-EN083Duel Terminal Ultra Parallel Rare2013-02-01
Hidden Arsenal 7: Knight of StarsHA07-EN059Secret Rare2013-04-26
Quarter Century StampedeRA04-EN178Quarter Century Secret Rare Platinum Secret Rare2025-04-10
Star Pack ARC-VSP15-EN030Shatterfoil Rare Common2015-06-12
Banish
Banishes from Graveyard
Miscellaneous
Copies effect, or resolves as another card's effect
Must first be Special Summoned by its own procedure
Monster stat or field manipulation
Changes card name
Modifies ATK