Arn, Embodied Evil

Flying
{b/r}{b/r}{b/r}: Discard three cards, exile the top three
cards of your library. Until the end of your next
turn, you may cast one of them for free, then put
the rest into your hand revealed.
At the beginning of each end step, If Arn,
Embodied Evil is in your graveyard or exile,
return it to your hand.