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 - $8.60
Played - $6.70
Heavily Played - $5.70
Damaged - $4.80
Near Mint Non-English - $9.50
Lightly Played Non-English - $8.60
Played Non-English - $6.70
Heavily Played Non-English - $5.70
Damaged Non-English - $4.80
Foil Prices
Near Mint Foil - $48.60
Lightly Played Foil - $43.80
Played Foil - $34.10
Heavily Played Foil - $29.20
Damaged Foil - $24.30
Near Mint Foil Non-English - $48.60
Lightly Played Foil Non-English - $43.80
Played Foil Non-English - $34.10
Heavily Played Foil Non-English - $29.20
Damaged Foil Non-English - $24.30