Ryze, Chaotic Gambler

Whenever a nonland permanent enters the battlefield under your control, you may pay {2}{u}{r}. If you do, exchange control of two nonland permanents in play.
{8}{u}{r}{t}: Flip 3 coins. activate abilities for how many flips were won.
Zero: Skip your next untap step.
One: Draw 3 cards.
Two: Take an extra turn.
Three: Return all nonland permanents your opponents control to their owner's hand.