watch 02:21 The Loop (Games) Do you like this video? Catalyst (起導者; kidousha) is a family in the Battle Spirits trading card game. It premiered in SD31. They are not limited to color, but all have the effect Catalyze. Also See List of Catalysts Retrieved from "https://battle-spirits.fandom.com/wiki/Catalyst?oldid=87660" Categories: Family Community content is available under CC-BY-SA unless otherwise noted.