Temporal Conjuror, Aeon

When Temporal Conjuror, Aeon enters the
battlefield, you may exile target nonland
permanent until Temporal Conjuror leaves
the battlefield. If you do, scry 3. (Look at the top
three cards of your library. You may put any number
of them on the bottom of your library.)
{3}{u}{u}: You may cast a creature card exiled with Temporal Conjuror, Aeon without paying
its mana cost.