Wraluu, the Sky Magnate

Flying, double strike
When Wraluu, the Sky Magnate enters the battlefield, you become the monarch.
Whenever an opponent becomes the monarch,
exile target nonland permanent they control.
Wraluu, the Sky Magnate gains hexproof
until the end of your next turn.
When Wraluu leaves the battlefield, return the
exiled cards to their owner's hands.