Knowledge Gyre

{t}: Put target card in a graveyard on the
bottom of it's owners library.
{1}, {t}: Shuffle your library, then look at the top
card, you may exile it.
{2}, {t}: Until end of turn you may play cards
exiled by Knowledge Gyre. Put all cards exiled
by Knowledge Gyre into your graveyard at the
beginning of your end step.