Aang, the Last Hope

Flying, Vigilance. Whenever Aang, the Last Hope attacks, target creature loses all abilities and becomes a colorless Human with base power and toughness 1/1 until the end of your opponents next turn. {u}{u}{u}: Tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step. Draw two cards. {r}{r}{r}: Deal 2 damage to target player and 1 damage to all creatures that player controls. {g}{g}{g}: Target creature gains Hexproof and Indestructible until end of turn