Malzahar, Void Summoner

+1: Create two 1/1 void creature tokens with shadow (This creature can block or be blocked by only creatures with shadow.)
-2: Put a void counter on target nonblack creature, Surveil 1 (Look at the top card of your library. You may put it into your graveyard.)
-6: All creatures with void counters on them are exiled from the game, you may draw a card for each creature exiled this way