Eldritch Evolution [Eldritch Moon]

Set: Eldritch Moon Type: Sorcery Rarity: Rare Cost: {1}{G}{G} As an additional cost to cast this spell, sacrifice a creature. Search your library for a creature card with converted mana cost X or less, where X is 2 plus the sacrificed creature's converted mana cost. Put that card onto the battlefield, then shuffle your library. Exile Eldritch Evolution.