Airyulan,Exiled Anthropologist

When Airyulan enters the battlefield, target
permanent's owner shuffles it into their library. Its controller reveals card from the top of their library
until they reveal a permanent card, puts that card
onto the battlefield, then shuffles the rest into their library.
{t}: Exile Airyulan, then return it to the battlefield
under target opponent's control.

"To be alive is to be chaos."