Steam Siege

Pokémon TCG: XY—Steam Siege (Japanese: 爆熱(ばくねつ)の闘士(とうし) Fever-Burst Fighter and 冷酷(れいこく)の反逆者(はんぎゃくしゃ) Cruel Traitor) is the name given to the eleventh main expansion of cards from the XY Series of the Pokémon Trading Card Game. It is the fourth and final main expansion from the XY BREAK Era of the Pokémon Card Game in Japan. The set continues to feature Generation VI Pokémon, Pokémon-EX, M Pokémon-EX, and Pokémon BREAK in the card game.