Zak, the Tutor

-When Zak, the Tutor enters the battlefield choose one or more-
•Draw 7 cards
•Put up to 7 permanents from your hand onto the battlefield
• Cast any number of instant or sorceries with a combined converted mana cost of 7 without paying their mana costs
At the beginning of your end step, if you control 7 or more squirrels, transform Zak, the Tutor.