Golden Age (WoTC): Base-Skyridge Silver Age (post-WoTC): EX Ruby & Sapphire-Call of Legends Bronze Age (RIP Cosmos Holos): Black & White-XY Phantom Forces Early Modern Age (major resurgence in the popularity of the cards): XY Primal Clash-Darkness Ablaze Gilded Age (hypebeast culture takes over): Vivid Voltage-present You could also argue Early Modern starting with Fates Collide, with that being the newest set at the start of the PoGo boom, Steam Siege being the first set printed during the PoGo boom, or even Evolutions, with that being the set that kicked the PoGo boom into overdrive
If this card was virtually impossible to get, its almost impossible to find as there are very few listings for it
Thickness of 1 Side (microns): Dragon Shield Perfect Fit (60), Dragon Shield Matte (130) 100 Double Sleeved Card Thickness (mm): Theoretical (68), Practical (72) Water Test: Pass Deck Box Fit (mm storage): Fit: 99 good, 1 bad
We'll be happy to advise you and help you take your first steps as a collector.
Meanwhile, Roaring Moon has an impressive damage capacity, doing 70+ 10 more damage for every Ancient card in your discard