name: Chthonian Nightmare
printings: MH3, PMH3
text: When Chthonian Nightmare enters, you get {E}{E}{E} (three energy counters).\nPay X {E}, Sacrifice a creature, Return Chthonian 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.