Maelstrom Wand

When Maelstrom Wand enters the battlefield, you may search your library for
an instant or sorcery card with converted
mana cost 5 or greater and exile it.
{w}{u}{b}{r}{g}, {t}: You may copy a card exiled with Maelstrom Wand. If you do, you may
cast the copy without paying its mana cost.