Hoilha, Fanged Mastermind

+2: Exile up to one target card from a graveyard. If a card is exiled this way, gain 2 life and add one mana of any color.
0: Until your next turn, whenever a creature dies, you may draw a card.
-8: Draw five cards, then add X mana of any one color to your mana pool, where X is the number of creature cards in all graveyards.