Lorrex, Destroyer of Minds

Flying, Deathtouch, Curse {3}{b}{u} (If you cast this card for its curse cost, it's an Aura spell with enchant player. It becomes a creature again if it's not attached to a player.)
Whenever enchanted player draws a card, you may pay {x}. if you do, enchanted player discards X cards unless he or she pays {x}.
{2}{u} Return this card to it's owner's hand.