Liliana, Empress of Veil

: Whenever a non-token zombie creature dies, put a loyalty counter on Liliana, Empress of Veil and draw a card.
0: You may sacrifice a zombie creature, if you do, each opponent sacrifices a creature or Planeswalker and discards a card. You gain 1 life.
-X: Create X number of 2/2 black zombie creature tokens. If X is 10 or more, then create twice the number of zombie creature tokens instead.