Temporal Gateway

{1}, {t}: Search your library for a land card, put
it onto the battlefield, then shuffle your library.
{3}, {t}: Search your library for a card, put it
into your hand, then shuffle your library.
{8}, {t}: Each player shuffles their library, then
reveals the top card of their library. You may
cast and play the revealed cards and you may
cast them without paying their mana costs.