Gem-Knight Master Diamond - BLMM-EN143 (UR) (Yugioh)
Fusion/Effect Monster
3 "Gem-Knight" monsters<br>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.
Attack: 2900
Defense: 2500
Attribute: EARTH