User blog comment:Nimu1717/How many stones do you think we'll get ?/@comment-1656676-20180605130729/@comment-34713116-20180605132327

Yeah, pretty much what Ender said. A card which wasn't meant to be free ended up in player's collections. Not only that the c\ard was UR, max level and max SA. One heck of a glitch if you ask me. If only that'd happen with a Dokkan Exclusive!