Time-Bending Autotmaton

Hexproof Haste
{t}: Discard your hand. Choose a card name.
Search your library for the named card, then put
the rest of your library into your graveyard. Put
the chosen card into your hand.
Exile all permanents under your control except
Time-Bending Automaton: You may cast the
chosen card without paying its mana cost.