Darrow Master Thief

+2: Target creature you don't control get's -X/-X where X is the number of creatures in it's controller's graveyard
-2: You may choose two target nonland permanent cards from an opponent's graveyard exile one of those cards and you may play the other for free
-8: Search your library for an artifact or enchantment card, put it onto the battlefield, then shuffle your graveyard into your library.