Liliana, Necropolis Ruler

+1: Each player discards a card. If a creature card is discarded this way, create a 2/2 black Zombie creature token.
-3: Target player loses life equal to the number of Zombies you control.
-6: You get an emblem with "Whenever a nontoken creature is put into a graveyard from anywhere, create a 2/2 black Zombie creature token."