Timeless Prison

Suspend 3 —{4}
When Timeless Prison enters the battlefield,
exile up to 3 target nonland permanent.
When Timeless Prison leaves the battlefield,
return the exiled card to the battlefield under
its owner's control.
—
"It is possible that Timeless Prisons were
intended to keep their victims imprisoned
forever, in order to prevent them from being
reborn in Burning Hells after death."