Liliana, the Traitor

+1: Create a 2/2 black zombie creature token. Each opponent loses 1 life and you draw a card.
-4: Put target creature from a graveyard onto the battlefield under your control. It is a black zombie in addition to other types.
-8: You get an emblem with:"Whenever a zombie enters the battlefield, each opponent loses 1 life and you gain 1 life and draw a card".