Ithreniel the Boundless

Flying, vigilance, lifelink, hexproof, indestrucible
{t}: Add {w}{w}.You may put two +1/+1
counters on target creature.

Whenever a creature you control dies you may return it to the battlefield at the beginning
of the next end step.
If Ithreniel the Boundless would leave the battlefield return it to your hand instead.