Liliana, the Black Night

+1: Target player discards a card. If the discarded card is a creature card, create a 2/2 black Zombie creature token tapped.
-3: Add X black mana to your mana pool, where X is the number of creatures in all graveyards.
-9: Create an emblem with "Whenever a creature leaves the battlefield, each opponent loses 5 life and you create 5 2/2 black Zombie creature token."