Im not going to go into too much detail because Steven has already done that, in his regular contribution to Muddy Colors, where you can read right from him how these two pieces came to be
In total there is 24 cards, minus 3 for the 1 Toy Vendor, 1 Fluffal Bear and 1 Fluffal Wings used for the combo, making 21 potentially good cards to hit off of that Toy Vendors effect left in the deck minuses again any of them you drew
The difference in value between a PSA graded 10 and 9 Pokmon card can be astronomical, with a holographic first edition Charizard's price ranging from $375,000 to $20,000 between the two gradings
This latter trait was surely the inspiration for one of the most fantastic attack names in TCG history: Everyone Explode Now
Added feature to share decks using 2D pattern codes
While mainly focused on the anime it branches onto other forms of the franchise like their card games to their video games as well