I had the Dunwich Legacy to play with, too, which as well as expanding your options starts another fun campaign
During the your main Phase: You can place this card (from your Hand , or GY or Banishment ) face-up in your Spell & Trap Zone as a Continuous Spell
Galaxy-Eyes Antimatter Dragon fits best in **Rank 9-focused Xyz decks**, especially **Galaxy/Photon** variants and broader **Rank 8/9 spam strategies** that can consistently field multiple Level 9 monsters or stack materials onto a Rank 9 Xyz (like via Galaxy-Eyes engines, Nebula Dragon lines, or cards that cheat high-Level Dragons into play)
If you think you have a first edition, look at a picture of one up and make sure
Ionos Tadbulb LC - Tiny Charge 30 Ionos Kilowattrel Ability - Flash Draw You must discard a Basic Lightning Energy from this Pokmon in order to use this Ability
an aggressive but less versatile version of "Blue-Eyes Abyss Dragon"