Sarkhan, Chief of Dragons

+1: Deal 2 damage to target creature you don't control.
-2: Until end of turn, Sarkhan, Chief of Dragons becomes a legendary 5/4 red Dragon creature with Hexproof, Indestructible, and Haste.
-8: Creatures you control become dragons and gain flying until end of turn. Deal 8 damage to each creature without flying. You discard 4 cards.