Gwen, Sepulcher Sadist

-1: Put a Fun counter on a creature with toughness less than your devotion to black. Gwen has shroud until the start of your next turn.
+2: This turn you may play black cards from your graveyard. They cost 1 black mana less and are exiled instead of going back to the graveyard.
-2: Take control of a creature with a Fun counter on it, roll a d20: 1-5 bury it, 6-10 its owner loses 5 Life, 11+ you gain 5 Life and draw 5 cards.