Coyote, Desert Trickster

At the beginning of each end step you may reveal your hand. If you do exile a card from your hand face down and draw a card.
You may choose a card exiled with Coyote, Desert Trickster during each turn. If you do, target opponent guesses its name. If they guess correctly shuffle that card into its owner's library. If they guess incorrectly you may play that card until end of turn.