Martian Manhunter

{t}: Exile Martain Manhunter, then return it
to the battlefield.
When Martian Manhunter enters the battlefield
look at target players hand, you may exile a creature
card face down.
{3}{u}{g}: Martian Manhunter becomes a copy of
target face down card exiled by it until end of turn.
Then return that card to its owners library third
from the top