The rarity of Tail of the Scouring Dunes is Mythical. At this moment the item is available for trade.
Tail of the Scouring Dunes is a skin for Sand King. The skin was added to the game on June 6, 2014, it was created by Nikey.
Tail of the Scouring Dunes is currently one of the most popular skins, but it is rarely seen in the game due to its high price.