Shifting Shores

At the beginning of your end step, if you
activated a torrent ability this turn, exile up to
one target creature you control, then return that creature to the battlefield under its owner's
control.
Torrent — {2}{w}{u}: Exile target creature you
don't control. Return it to the battlefield under
its owner's control at the beginning of the next
end step. Activate only as a sorcery.