Drops in the Return to Karazhan dungeon.
Requires exalted with The Nightfallen and is rewarded from the Fate of the Nightborne quest. This quest currently isn't in the database, but may be part of the extended Suramar story in Patch 7.1.
Midnight's Eternal Reins
Drops from Attumen the Huntsman in the Return to Karazhan dungeon.
Predatory Bloodgazer, Viridian Sharptalon, Snowfeather Hunter, Brilliant Direbeak are a reward of the Falcosaur pet quest line in Patch 7.1.
Requires Exalted with Talon's Vengeance, sold by Trinket in Highmountain for 10,000.
Sold by Galissa Sundew on Darkmoon Island.
Prestigious War Steed / Wolf
The Reins of the Prestigious War Steed and Reins of the Prestigious War Wolf are a reward for completing the world PvP quests 20 times each.
No known source, mount was still a work in progress when previewed.
No known source. Similar to the Stormcrow mount that is still unused.