The rarity of Bindings of Frost Set is Uncommon, and been equipped it takes a “Bundle” slot. At this moment the item is available for trade.
Bindings of Frost Set is a skin for Morphling. The skin was added to the game on Invalid Date, it was created by Feracon.
Bindings of Frost Set is currently one of the most popular skins, but it is rarely seen in the game due to its high price.