It's a bit more peculiar than his deck involvement meta Urahara, which appeared later, but I think it has a decent performance
This attack does 100 more damage for each Prize card your opponent took during their previous turn
New Charizard Pokemon card selling for insane prices The TCGs newest expansion Darkness Ablaze is now in stores, and features over 185 cards based on the eight generation game Sword & Shield
TCGPCollector does admit that their experiment doesn't account for 'account hourglasses from missions and events', which can be a source of free packs, but that factor wouldn't likely make much of a dent in the day total
I considered that even if you accelerate energy with Power Hourglass, it gets returned to your hand by Penny, and there are many matchups where you'd rather prioritize Hero's Cape or Bravery Charm to increase HP (and it's hard to judge which is more advantageous), making it anti-synergistic and difficult to use
This represents a major risk of counterfeiting - there is indeed a risk that counterfeiters may reproduce graded cards by purchasing identical cases from the same wholesaler