Darkstalker, Animus

+2: tap 2 Swamps or {b} creating land, give target creature Animus Magic (tap a creature with Animus magic, all noncreature spells cost {1} less)
-2: Sacrifice a creature, create a green/white Peacemaker token with Animus Magic and Base power and toughness -1 of sacrificed creature.
-7: Negate any target spell until end of turn, draw {x} plus 1 cards.