Arael, Archangel Reborn

Flying, Vigilance, Lifelink
If Arael, Archangel Reborn would die, you may pay {2}{w}{b}, and sacrifice a creature. If you do, exile Arael, Archangel Reborn and return it to the battlefield under your control at the beginning your next upkeep.
Smite {1}{w}{w} (Whenever this creature deals combat damage to an opponent, you may pay its smite cost. If you do, exile target permanent.)