Archangel Avacyn

Flash Flying, vigilance When Archangel Avacyn enters, creatures you control gain indestructible until end of turn. When a non-Angel creature you control dies, transform Archangel Avacyn at the beginning of the next upkeep. // Avacyn, the Purifier Flying When this creature transforms into Avacyn, the Purifier, it deals 3 damage to each other creature and each opponent.

"Wings that once bore hope are now stained with blood. She is our guardian no longer." —Grete, cathar apostate