Sheltered by Ghosts
Enchantment — Aura
Enchant creature you control
When this Aura enters, exile target nonland permanent an opponent controls until this Aura leaves the battlefield.
Enchanted creature gets +1/+0 and has [[ keyword: "lifelink" ]] and ward 
.
Mirko Failoni
Rulings
If Sheltered by Ghosts leaves the battlefield before its triggered ability resolves, the target permanent won't be exiled at all.
(wotc • 2024-09-20)
If a token is exiled this way, it will cease to exist and won't return to the battlefield.
(wotc • 2024-09-20)
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.
(wotc • 2024-09-20)
Rulings
If Sheltered by Ghosts leaves the battlefield before its triggered ability resolves, the target permanent won't be exiled at all.
(wotc • 2024-09-20)
If a token is exiled this way, it will cease to exist and won't return to the battlefield.
(wotc • 2024-09-20)
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.
(wotc • 2024-09-20)