pokemon cards dark with dark/war setting (see examples) : r/PokemonTCG Amazon.com: Pokemon - Dark Dragonair

Some cards get more desirable over time, while others lose their value particularly if there are lots of them around

This strange common card has a very unusual backstory, as it was given as a reward by mentors to select judges who were able to answer a difficult quiz question regarding nuanced rulings

Fortunately, not many of the now-expired Promo Cards appear on the Pokemon TCG Pocket best cards list, so you can still thrive in matchmaking and the Pokemon TCG Pocket ranked games

2 Trainer Estimated Price: $444,000 (P24,812,274) This card was awarded to the second-place winners at the first two Pokmon tournaments in 1997 and 1998