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. Exile Eldritch Evolution.
Near Mint - $3.20
Lightly Played - $2.60
Moderately Played - $2.20
Heavily Played - $1.90
Damaged - $1.60
Near Mint Spanish - $3.20
Lightly Played Spanish - $2.60
Moderately Played Spanish - $2.20
Heavily Played Spanish - $1.90
Damaged Spanish - $1.60