2 Level 8 monsters If this card attacks or is attacked, during damage calculation (in either player's turn): You can detach 1 Xyz Material from this card once per battle; this card gains ATK equal to the combined Ranks of all Xyz Monsters currently on the field x 200, during that damage calculation only. If this card in its owner's control is destroyed by an opponent's card effect while it has "Galaxy-Eyes Photon Dragon" as an Xyz Material: You can Special Summon this card during your 2nd Standby Phase after activation and double its ATK. Any battle damage this card inflicts to your opponent is halved unless it has "Galaxy-Eyes Photon Dragon" as an Xyz Material.
3 Level 8 monsters When this card is Xyz Summoned using "Galaxy-Eyes Photon Dragon" as any of its Materials: Negate the effects of all other face-up cards currently on the field. Once per turn: You can detach 1 Xyz Material from this card; detach all Xyz Materials from monsters your opponent controls, then this card gains 500 ATK for each, also it can attack up to that many times during each Battle Phase this turn.
2 Level 4 "Photon" monsters Once per turn: You can detach 1 or 2 Xyz Materials from this card; apply this effect, depending on the number you detached. ● 1: Special Summon 1 "Galaxy-Eyes Photon Dragon" from your hand. ● 2: Special Summon 1 "Galaxy-Eyes Photon Dragon" from your Deck.
2 Level 4 LIGHT monsters Once per turn: You can detach 2 Xyz Materials from this card to target 1 face-up monster your opponent controls; its ATK becomes 0, and if it does, its effects are negated. When this card you control is destroyed by your opponent's card (either by battle or by card effect) and sent to your Graveyard: Draw 1 card.
You can Special Summon this card (from your hand) by Tributing 2 monsters with 2000 or more ATK. During either player's Battle Step, when this card battles an opponent's monster: You can target the monster this card is battling; banish both the opponent's monster and this card. At the end of the Battle Phase, return any monsters banished by this effect to the field, and if the other monster was an Xyz Monster, this card gains 500 ATK for each Xyz Material it had when it was banished.