Seraphina, Light's Retribution

Flying, Vigilance, Lifelink
•When Seraphina enters the battlefield, choose up to one target creature or planeswalker. That permanent's controller sacrifices it and loses life equal to its mana value.
•At the beginning of your end step, if you control an Angel with power 4 or greater, you may return target Angel card from your graveyard to your hand.
•Whenever Seraphina attacks, you may pay {3}{w}{w}. If you do, destroy all tapped creatures controlled by defending player