All Changes will be effective immediately when we provide notice of them
negate the activation, and if you do, destroy it, and if you do that, your opponent cannot activate Spell Cards with that name for the rest of this Duel.
However, there are some amazing going second cards in the game that help players break through the opponent's board, and one of them is among the best Aqua monsters ever printed, as Gameciel, the Sea Turtle Kaiju has been an incredible card for years
A lot of good legends have ETBs, like Loran of the Third Path, which this doesnt capture
If this card is detached from an Xyz Monster to activate that monster's effect: You can take 1 "Galaxy-Eyes Photon Dragon" from your hand or Deck, and either Special Summon it, or attach it to an Xyz Monster you control as material, then if you activated this effect during the Battle Phase, double the ATK of all "Number" Xyz Monsters you control