Master Ball/Core series games/Acquisition/VI

A Master Ball was available to undefineds via a serial code. Players who saw Diancie and the Cocoon of Destruction in theaters could download a special stage for The Thieves and the 1000 Pokémon. After clearing that special stage players received a serial code to obtain the Master Ball. The serial code could be used to obtain the Master Ball in Japanese region Pokémon X and Y from July 19 to October 15, 2014.

Distribution
In all languages, the distribution text and title are in Japanese, but the Wonder Card uses the type text in the language of the receiving game.