Elemental drakes are epic flying mounts that were introduced in Cataclysm. They represent elemental powers: stone drakes are the earth elementals in a dragon shape and storm drakes are the aspects of air.

Elemental drakes as loot

Elemental drakes from achievements

 [Reins of the Drake of the East Wind] is obtained as a reward for completing the achievement [Glory of the Cataclysm Raider].  [Reins of the Volcanic Stone Drake] can be obtained by completing the achievement [Glory of the Cataclysm Hero].

Purchasable elemental drakes

 [Reins of the Drake of the West Wind] can be purchased from Horde Pogg <Hellscream's Reach Quartermaster> or Alliance Quartermaster Brazie <Baradin's Wardens Quartermaster> for 200 Tol Barad Commendation. Requires exalted state with Hellscream's Reach or Baradin's Wardens.

Crafted elemental drakes

The Sandstone Drake is obtainable through the Alchemy created item  [Vial of the Sands].