Kromera, the Sentry-Rhino

Vigilance
Whenever Kromera, the Sentry-Rhino blocks a creature, you may put a creature card from your
hand onto the battlefield blocking that creature.
Return that creature to your hand at the
beginning of the next end step.
When Kromera, the Sentry-Rhino dies or is put
into exile from the battlefield, you may put it
onto its owner's library third from the top.