Talk:X Episode 54: Gao versus Kanata! Batzz, Drum, and Bal United!/@comment-28173866-20180414063449/@comment-4141313-20180414234157

Its probably because of Kiri. Kiri kinda had a psuedo rivalry/friendship with Noboru, and considering he is the Dungeon Omni Lord and probably wanted to fight Gao too, he met with Noboru and got the other Omni's together to form a deck.