pokemon cards 151 pack Booster Box (Japanese) This set is a the Chinese equivalent of Scarlet Pokémon TCG 151 Card |

Apart from this article, I dont know anything about playtesting in Pokmon, especially not during the WotC era

Print Quality of Collector Boosters Unfortunately, there are significant differences in print quality among new cards from sources such as Collector Boosters or Wizards Promo Packs, which are likely due to the different production locations (Japan, Europe, and the United States)

Is Clay Burst worth buying in 2026

The back face, on the other hand, is a combo killer

You'll need to find another way to do that, such as Retrieve Prey

Instead, they should focus on cards that are perhaps more common despite their usefulness