Portal of the Multiverse

{4}{g}: Search your library for a creature card
with mana cost 6 or greater and put it onto the battlefield.
{2}{u}: Search your library for a creature card
with a mana cost 4 or 5, reveal it, and put it into
your hand.
{w}: Search your library for a creature card with a
mana cost 3 or less, reveal that card, then shuffle
your library and put it on top.