Competitors at the Pokémon Trading Card Game Hartford Regional Championships battled using the Standard format. Trainers were permitted to use cards printed in expansions from XY—BREAKthrough through Sun & Moon—Burning Shadows, in addition to Black Star Promo cards numbered XY67 and higher and SM01 and higher. Don’t forget to check out the Masters and Senior Division decks, as well as the Masters, Senior, and Junior Division teams from the Pokémon Video Game Championship event.