You may reveal this card from your opening hand. If you do, at the beginning of your first upkeep, look at the top four cards of your library. You may put one of those cards back on top of your library. Exile the rest.

When you cast this spell, exile target permanent that's one or more colors.

If a triggered ability of a colorless spell you control or another colorless permanent you control triggers, that ability triggers an additional time.

Whenever you cast a colorless spell, copy it. You may choose new targets for the copy. (A copy of a permanent spell becomes a token.)

When you cast this spell, gain control of all creatures target player controls.

Flying, protection from spells and from permanents that were cast this turn

When Emrakul leaves the battlefield, sacrifice all creatures you control.

Madness—Pay six .

Emerge (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)

When you cast this spell, you may exile your hand. If you do, draw three cards.

Flying

Each creature spell you cast has emerge. The emerge cost is equal to its mana cost.