The rarity of Diviner's Embrace is Rare, and been equipped it takes a “Bundle” slot. At this moment the item is available for trade.
Diviner's Embrace is a skin for Rubick. The skin was added to the game on December 10, 2015, it was created by Jigglypuff.
Diviner's Embrace has been recently added to the game, which makes it rather popular with the game community.