Portable Portal

{t}{t}{t}{t}: Search your library for up to forty
permanents. Put them onto the battlefield
tapped. Sacrifice those permanents at the
beginning of the next end step.
{p/c}{p/w}{p/u}{p/b}{p/r}{p/g}: Reveal cards from the top of
target opponent's library until you find a
creature spell with power greater than 7. Put
that card onto the battlefield under your control
tapped. Exile the other revealed cards. For the
rest of the game, players may cast cards from
exile for {4} in addition to their casti