Corpse Slime

Repurpose {4}{b}{b} (Exile this card from your graveyard: Search your library for a creature
card with the same converted mana cost as this
card and different name than this card, reveal it,
and put that card into your hand. Then shuffle
your library. Repurpose only as a sorcery.)
When you repurpose Corpse Slime, target creature gets -3/-3 until end of turn.