Liliana, New God-Pharaoh

+2: Each opponent discards a card. Create a 2/2 black Zombie creature token.
-4: Each opponent puts the top two cards of his or her library into his or her graveyard. Create two 2/2 black Zombie creature tokens.
-8: Liliana, New God-Pharaoh deals 5 damage to each opponent and each creature he or she controls. Create five 2/2 black Zombie creature tokens.