Two different prints of this card have been made available. Both were released in English as Cosmos Holofoil XY Black Star Promotional cards in the Mega Mewtwo Collection in North America, and in the Mega Mewtwo Box in Europe. The print numbered XY100 was available in Mega Mewtwo X product versions, and XY101 was available in Mega Mewtwo Y versions. Both prints feature artwork by match.
In Japan, both cards were released as XY-P Promotional cards. The print numbered 176/XY-P, from which the English XY100 print originates, was awarded to those who accumulated at least 1 Play Point by participating in various events held as part of Battle Festa 2015. Points could be earned in either of the two main events, the CoroCoro Challenge or the Victory Battle, or at eligible side events, including the Team Magma VS Team Aqua 3 on 3 Battle and the Organizer's Open Gym. 3 Play Points were awarded for participating in the CoroCoro Challenge and 2 Play Points were awarded for participating in the Victory Battle, the Team Magma VS Team Aqua 3 on 3 Battle, or the Organizer's Open Gym. 5 Play Points were awarded for advancing to the 'Climax Stage' of the CoroCoro Challenge, and 2 Play Points were awarded for each win for those competing in the Victory Battle. A further 5 Play Points were awarded to the top four players in both the morning and afternoon sessions of the Victory Battle. 2 Play Points were awarded for an individual win in the Team Magma VS Team Aqua 3 on 3 Battle, with a further bonus 5 Play Points awarded if all players on a single team won a match. 5 Play Points were also awarded to those who placed first in the Organizer's Open Gym, as well as 4 Play Points to those who placed second, and 3 Play Points to those who placed third.
Battle Festa 2015 was held at four locations across Japan: Hiroshima Prefectural Industrial Exhibition Hall, Hiroshima on November 3, 2015; Pacifico Yokohama, Yokohama on November 7, 2015; Intex Osaka, Osaka on November 15, 2015; and Nagoya Trade & Industry Center, Nagoya on November 29, 2015. The print numbered 202/XY-P, from which the English XY101 print originates, was given to participants of Battle Festa 2015 Satellite Gym Battle events, held concurrently with Battle Festa 2015 at participating Pokémon Gym venues across Japan. Both Japanese prints feature the Battle Festa 2015 logo in the bottom right corner of the artwork.