Liliana, The Disguised

+2: Look at the top card of your library, if that card is a zombie, put a 2/2 black zombie token creature onto the battlefield
-2: Look at the top card of your library, if that card is a zombie, you may play it without it's mana cost, it gains haste until end of turn
-12: You get an emblem with "all zombies you control gain +2/+2 and deathtouch, and all non zombie creatures your opponents control gain -2/-2