When Chthonian Nightmare enters the battlefield, you get EEE.
Pay X E, Sacrifice a creature, Return Cthonian Nightmare to its owner's hand: Return target creature card with mana value X from your graveyard to the battlefield. Activate only as a sorcery.
Near Mint - $600
Lightly Played - $500
Moderately Played - $500
Heavily Played - $400
Damaged - $300
Near Mint Spanish - $600
Lightly Played Spanish - $500
Moderately Played Spanish - $500
Heavily Played Spanish - $400
Damaged Spanish - $300
Foil Prices
Near Mint Foil - $3.000
Lightly Played Foil - $2.400
Moderately Played Foil - $2.100
Heavily Played Foil - $1.800
Damaged Foil - $1.500
Near Mint Foil Spanish - $3.000
Lightly Played Foil Spanish - $2.400
Moderately Played Foil Spanish - $2.100
Heavily Played Foil Spanish - $1.800
Damaged Foil Spanish - $1.500