pokemon card centering app How does this make sense : r/PokeGrading How to Check Card Centering
Description
These cards were among the rarest in the game at the time, which made them as scarce as they are visually unique

Within a set, cards are sorted by their card number, which runs from lowest to highest and typically follows the Pokdex order for that sets roster before getting into trainer cards, energy, and special rarities at the end
In practice, what Ive experienced is that Ive simply collected a bunch of cards Ive already collected, despite having barely played the game at all this summer
In addition, in the metagame there are some popular Pokemon VMAX present in the format, such as Flying Pikachu VMAX and Ice Rider Calyrex VMAX, and for these cases I decided to bet on two more techs so that Gengar VMAX will be able to reach 310 or 320 damage if necessary, which are Single Strike Energy and Galarian Zigzagoon
Incapsula incident ID: 1352000720150591295-341291488841830924
Promo Cards in PTCGP generally don't do anything different to the base card (with a few exceptions), they're simply rare variants won as awards for specific missions, subscriptions or limited-time challenges