Elemental HERO Prisma (Secret Rare) (SGX4-ENE03) - Speed Duel GX: Midterm Destruction 1st Edition

Once per turn: You can reveal 1 Fusion Monster from your Extra Deck, then send 1 of the Fusion Materials whose name is specifically listed on that card from your Deck to the Graveyard; this card's name becomes the sent monster's until the End Phase.