Emboar, the Raze-Boar

Trample
Whenever Ilharg, the Raze-Boar attacks, you
may put a creature card from your hand onto
the battlefield tapped and attacking. Return
that creature to your hand at the beginning of
the next end step.
When Ilharg, the Raze-Boar dies or is put into exile from the battlefield, you may put it into
its owner's library third from the top.