Совсем не эксперт, но разве на маунте не будет висеть те самые 2 часа для передачи? Как на любой шмотке. Помню когда лутал маунтов в цлк, дд, оп и прочих старых рейдах, то вроде на маунтах был этот двухчасовой отсчет.
Upd. Не знаю на сколько правдиво, нашел на просторах классового дискорда.
Raid Mounts from Mythic Gul'dan or Mythic Argus currently work as follows on Live servers with Personal Loot distribution. This may change in the pre-patch:
The Raid Mount is given to a random member of the raid who does not already have the mount.
With the Mythic Gul'dan mount ( Fiendish Hellfire Core), you can trade it with PL. However, this currently does NOT work with the Argus mount ( Shackled Ur'zul). For guilds who are selling the Argus mount, it's important to make sure that every person in the raid already owns the mount.