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.

At the beginning of combat on your turn, switch the power and toughness of each of any number of target creatures until end of turn.

Devoid (This card has no color.)

Whenever you cast a creature spell with mana value 4, 5, or 6, create two 0/1 colorless Eldrazi Spawn creature tokens with "Sacrifice this creature: Add ."

Whenever you cast a creature spell with mana value 7 or greater, draw three cards.

Target creature you control gets +1/+1 and gains hexproof until end of turn. Untap it. (It can't be the target of spells or abilities your opponents control.)