Malsuxe, Pariah of Voskir

+1: Create a 2/2 black Zombie creature token. Then each opponent loses 1 life.
-3: Each player discards their hand, then draws that many cards. Create a 2/2 black Zombie creature token for each creature card discarded this way.
-7: Exile all graveyards, then create an X/X black Zombie Giant creature token with trample, where X is the number of cards exiled this way.