No identity confirmed or revealed.
The next issue of Saikyo Jump, out early August 2017, will contain a Yu-Gi-Oh! Promo card. Specifics beyond that have not been noted.
[OCG] Promo in next Saikyo Jump
By NeoArkadia
NeoArkadia
NeoArkadia is the 2nd Number of "The Organization" and a primary article writer. They are also an administrator for the forum Neo Ark Cradle.