my first 20 (SL vet acct) after doing intro i started flying around, i went to the temple of the jade serpent area near the FP, and started some dailies and the end of those was sent or just went to the Arboretum, i was able to do the intro and daily questlines there, at the end i was able to pick from 1 of 3 eggs then hatch it,
https://www.wowhead.com/item=220766/reins-of-the-august-phoenix
as ally at one point in pawdon village there was a purple quest having to do with dragon flying and it said i had to have DF expac at first, after getting to 20, doing dungeons, operation shield wall unlock, etc etc, not sure what triggered my player, i went back to the starter village and was able to take quest from same NPC get ported and was able to select 1 of 4 DF mounts and able to DF.
https://www.wowhead.com/item=194521/cliffside-wylderdrake
will roll another player to see if i can get another of the 2 eggs at Arboretum, will have tp do another player to see if i can get another DF mount
saw alot of complaints that the cloak and currency is not acct wide, not sure if that will change
was able to get exalted with operation shield wall because i had +rep bonus from having done it before on another player, if the reps stay after remix done and you never grinded the faction to get the mount you would be able to get it in retail if you ever subbed, the QM that sells it is not in remix
some of the more expensive mounts have higher levels required than 20, not sure if we can purchase them? (@14K+ bronze now) on a future sub, level the player to learn on retail to learn these mounts?