The official Dragon Ball Heroes website has the total list of cards featured in the upcoming JM7 update. Below is a gallery composed of all cards officially listed by Bandai on their website. To read further in depth on what stats, unique traits, and special moves that each and every individual card is given, visit the official website here. Google Chrome users are also offered with an option to select a rough translation from Japanese to the respective user’s native language.
Dragon Ball Heroes is a Japanese exclusive video game, and is not available internationally. The JM7 update will arrive November 13th, 2014. Stay tuned for more detailed information.