Tibalt, Diabolic Tormentor

{1}{r}, {t}: Target opponent reveals the top card of his or her library. You may have Tibalt, Diabolic Tormenter deal damage to that player equal to the revealed card's converted mana cost. If you do, that player puts the revealed card in his or her hand. Otherwise, he or she puts that card in his or her graveyard.
"You can have it... for a price."