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 and original effect become the same as that banished monster's.