Leo, The Lightning God

+2: Destroy up to 2 target creatures an opponent controls with power 3 or less.
-1: Target creature gains flying until end of turn. If you control up 5 or more swamps, then two other creatures gain flying as well.
-8: Create 5 8/8 black Elemental creature tokens with hexproof and flying. Then, destroy all of target opponents creatures that aren't Elemental's.