Gul' dan, the First Warlock

Deathtouch
Pay 2 Life, Discard a card: Target creature gets
-X/-X until end of turn where X is the mana
value of the discarded card.
{2}{b}, {t}: Until end of turn, you may cast a card
from your graveyard. If a card cast this way
would be put into your graveyard, exile it
instead.