Jace, Mind Walker

{t} add {u}{u}.
{1}{u}{u}{t}, look at target players hand and choose a nonland, non artifact, card. that player discards that card.
{4}{u}{u}, exile Jace, Mind Walker, add search your library, graveyard, hand, and exile, for a card named Jace, Telepath of Worlds and put that card onto the battlefield.