Arceus arrived in 2009 as one of Pokemon's most ambitious sets, introducing the Sinnoh region's mythical deity alongside a massive card pool that kept collectors hunting for years. The reverse holo treatment became increasingly popular during this era, offering an alternative aesthetic that appealed to players and enthusiasts alike. This set remains a touchstone for mid-2000s Pokemon collecting, representing the hobby's expansion beyond base nostalgia into deeper lore. Bronzong, the evolution of Bronzor, captures the Steel/Psychic typing's otherworldly appeal with artwork that emphasizes its ancient, bell-like design. Collectors seek reverse holos from this period for their distinctive visual character and the challenge of completing these extensive sets—Arceus demanded dedication and patience from serious enthusiasts.