Its a next era Buddha or next Buddha to come to Samsara/ universe.
It is study work for "Mongol Zurag" stuff, replica from original 3m x 1,8m scroll art At Zanabazar's Fine art museum [link]
in Ulaanbaatar, Mongolia.
You know I am professional at Scroll art, lol.
If you curios about its story or buddist root here is [link]