Goop Gas Attack

Goop Gas Attack is a common Trainer card from the 1998 Team Rocket expansion set, which was the first villain-themed set in the Pokémon TCG featuring dark and rocket-themed cards. While Team Rocket cards have nostalgic value among collectors who remember the original anime storylines, common cards from this set generally maintain modest collector interest due to high print quantities. The card's price has remained relatively stable with minimal fluctuation over the past month.