Umaron, Sworn to Serve

+4: Umaron, Sworn to serve becomes a 2/2 indestructible human cleric until end of turn. Whenever a permanent or spell deals damage to him, exile it.
-3: Create three 1/1 bird tokens with flying.
-13: You get an emblem with "Whenever a creature you control is dealt lethal damage by a spell or permanent, exile that spell or permanent.