Johas, Lord of the Pained

+1: Create 3 2/2 black zombie creature tokens with "When this creature dies, each opponent discards a card or loses 2 life"
-3: Create a 2/2 black zombie creature token for each black mana among the mana costs of differently named creatures in your graveyard
-8: Return all creatures from your graveyard to the battlefield, then create X 2/2 black zombie creature tokens equal to your devotion to black