The M6 MEGA Expansion Pack Storm Emeralda has been teased in an official video. Slated for release on July 31, 2026, this set will mark the return of Mega Rayquaza with the reveal of Mega Rayquaza ex.
A dedicated website for Mega Rayquaza has also launched, announcing the campaign "Mega Rayquaza Soaring Through the Sky," with more information to come. Each display will contain 30 boosters priced at 6000 yen, with each booster costing 200 yen.