Alex Mercer

+2: Alex Mercer deals 2 damage to any target and you gain 2 life.
-2: You may put two 2/2 black Mutant creatures onto the battlefield. Draw a card.
-4: Alex Mercer deals 4 damage to two creatures. If it's a Mutant, exile it instead and place a copy of it onto your battlefield with a +2/+2 marker.