The face of mischief

when The face of mischief enter the battlefield choose one
• The face of mischief doubles the mana cost of the enemy card with the most mana cost and/or the price of a creature ability. Use only as a sorcery
• play any card or ability for free.
• The face of mischief becomes a 4/4 trample.
{bull} transform and blink any card on the battlefield.
{bull} copy and place on the battlefield tapped any card except The face of mischief.
{bull} place on the battlefield and hide any card in you