carrying in the TV show. For example, Brock specializes in the Rock-type, so a lot of his cards in the card game are Rock Pokémon. However, in the anime, he also carried a Vulpix, a Fire-type, which is also included in this set. The owner's Pokémon must be evolved from a Pokémon of the same owner, which also proved to be unpopular, as the element of mixing and matching cards from different sets is lost. Additionally, some of the "Rare" cards had little or no value in play, such as Misty's Tentacool, which is incapable of doing damage and is overshadowed by a better version of "Uncommon" rarity. However, Owner's Pokémon have been sporadically released in Japan, though except for those within EX Team Magma vs Team Aqua, none have been translated into English. This set was originally released with theme decks that contained cards not found in the main set in Japan, released in the odd rarities for Basic Pokémon. This set is also the first set to introduce Stadium cards, trainers that stay in play until another Stadium card comes into play. Gym Challenge Gym Challenge, released on October 16, 2000, is the 7th set of cards in the Pokémon Trading Card Game. Its expansion symbol is an amphitheater and black tiers, the inverse of the Gym Heroes symbol. It also has a set of 132 cards. Its name comes from the four characters from the anime it focuses on (Sabrina, Koga, Blaine, and Giovanni). Second Generation Sets Neo Genesis Neo Genesis, released in December 2000, is the 8th set of 111 cards in the Pokémon Trading Card Game. Its symbol is a pair of stars, one in front of the other. Neo is Greek for "new", and Genesis is Greek for "birth" or "beginning". Neo Genesis features second-generation Pokémon that come from the region of Johto and is the first set to do so. With it comes two new Pokémon types: Darkness and Metal, each with their own Energy cards. The design on the cards has also changed, now looking closer to the Japanese version. The hit points displayed on the upper-right is now smaller, and its color has changed from red to black. The statistics on the bottom of the card now have dune-shaped indentations in the background immediately behind each stat. The text reading "Basic Pokémon" is now directly under the HP (Hit Points) instead