This set is the start of a potent new series and the explosive birth of a new tretta called "Z Tretta (Zトレッタ)". These Z Tretta have special abilities unlike anything seen in the game to this point and they also have a "Z" mark branded onto their surface. The Z Tretta Zygarde's ability activates once a certain condition is met.
Legend-class Alternate-colored Xerneas: The Alternate-colored Xerneas makes its Tretta debut.
Legend-class Alternate-colored Yveltal: Yveltal comes it its alternate color too! It's double legends.
Master-class Satoshi's Pikachu: Satoshi's Pikachu comes as a Z Tretta!!