Eldritch Evolution

Cost: 2 Green 1 Colorless

Type: Sorcery

Ability: As an additional cost to cast this spell, sacrifice a creature.
Search your library for a creature card with mana value X or less, where X is 2 plus the sacrificed creature's mana value. Put that card onto the battlefield, then shuffle your library. Exile Eldritch Evolution.

Innistrad Remastered (INR)