Koth Enraged

+1: Until end of turn, creatures you control can't deal damage and can't be dealt damage.
-3: Koth, the Rage Burned becomes a 5/3 creature with double strike, lifelink, vigilance, haste, and menace until end of turn.
-7: You get an Emblem with: "Whenever you deal damage to an opponent, untap all creatures you control. There is an additional attack step.