4 Feb 2023
If Ossification leaves the battlefield before its triggered ability resolves, the target permanent won't be exiled.
4 Feb 2023
Auras attached to the exiled permanent will be put into their owners' graveyards. Any Equipment will become unattached and remain on the battlefield. Any counters on the exiled permanent will cease to exist. When the card returns to the battlefield, it will be a new object with no connection to the card that was exiled.
4 Feb 2023
If a token is exiled this way, it will cease to exist and won't return to the battlefield.