when this card is summoned using a rank-up-magic card you can target any number of galaxy-eyes photon dragon in your graveyard , attach them to this card as an xyz materials . if this card has galaxy eyes prime photon dragon as an xyz material it gain those effects
-when this card battle an oppenent monster ,you can deteach one xyz material FROM this card IT GAIN attack point equal to the combined ranks of all xyz monsters in the field and in either players graveyard
-when this card is destroyed by a card effect you can summon it during your next standby phase with its attack doubled