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 - $9.50
Lightly Played - $8.50
Played - $6.60
Heavily Played - $5.70
Damaged - $4.70
Near Mint Non-English - $9.50
Lightly Played Non-English - $8.50
Played Non-English - $6.60
Heavily Played Non-English - $5.70
Damaged Non-English - $4.70
Foil Prices
Near Mint Foil - $48.80
Lightly Played Foil - $43.90
Played Foil - $34.20
Heavily Played Foil - $29.30
Damaged Foil - $24.40
Near Mint Foil Non-English - $48.80
Lightly Played Foil Non-English - $43.90
Played Foil Non-English - $34.20
Heavily Played Foil Non-English - $29.30
Damaged Foil Non-English - $24.40