Team Rocket (2000) marked a pivotal moment when the Pokémon TCG embraced darker, more mature storytelling. This Japanese set introduced the villainous Team Rocket faction as playable characters and Pokémon, departing from the traditional hero's journey. It remains iconic for its edgy aesthetic and experimental card designs that appealed to collectors seeking something beyond the standard formula. Dark Golduck exemplifies the set's appeal: a familiar Pokémon reimagined under sinister circumstances, rendered in moody artwork that captured collector interest. These "Dark" variant cards became sought-after entries in team-building decks and aesthetic-focused collections, representing a creative high point in the franchise's early trading card era.