Ireena

Hexproof, Lifelink, Protection from Vampires
During your upkeep choose one: Put a +1/+1 counter on target creature; gain 2 life; tap target creature; put a 1/1 flying bird token on the battlefield.
If Ire would leave the field for any reason, exile her and deal 5 damage to all creatures, planeswalkers, and players. This damage cannot be prevented.