"Then come! We have need of speed greater than any wind, outmatching the wings of the Nazgûl."
—Gandalf

Meneldor, Swift Savior

Flying
Whenever Meneldor, Swift Savior deals combat damage to a player, exile up to one target creature you own, then return it to the battlefield under your control.

The Lord of the Rings: Tales of Middle-earth

If a token is exiled this way, it will cease to exist and won't return to the battlefield.

Meneldor's second ability can target any permanent you own, including those another player controls.

Once the exiled permanent returns, it's considered a new object with no relation to the object that it was. Auras attached to the exiled permanent will be put into their owners' graveyards. Equipment attached to the exiled permanent will become unattached and remain on the battlefield. Any counters on the exiled permanent will cease to exist.