Shiranui sent his Kangaskhan out.  "Iroha, Body Slam on Mismagius; Saisei, Mega Evolve and use Psystrike on Salazzle!"  Shiranui's Kangaskhan charged at Mismagius, her Scrappy ability allowing her attack to do damage while her trainer activated the keystone on his Z-Power Ring, causing Saisei to become a Mega Mewtwo Y.  Saisei flew to Goodra's side and let loose a powerful psychic ripple.