Yelain, Dimensional Wizard

When Yelain, Dimensional Wizard enters the battlefield, you may exile any number of target nonland permanents you control, then return those cards to the battlefield under their owner's control.
If Yelain, Dimensional Wizard deals combat damage, exile Yelain. Return her to the battlefield at the beginning of your next end step, tapped.
The Ethereal Plane holds many secrets, and Yelain seeks to uncover the biggest of them all; existence.