these changes were included on previous card formats, and others are brand new. One such change is the introduction of Pokémon LV.X, replacing the retired Pokémon-ex and Pokémon-"star" cards. This is also the first set in which Pokémon classified as Poison type in the video game series would be identified as Psychic rather than Grass type and the first set to include Pokémon cards with "energy-less attacks" denoted by a transparent effect where energy requirements would normally be. Basic Dark and Steel Energy cards are introduced in this set. Three holographic Pokémon cards from this set were released in tin sets a few weeks prior to the set's launch. These tins included a Tyranitar tin featuring a Turtwig, a Camerupt tin featuring a Chimchar and a Milotic tin featuring a Piplup. Diamond and Pearl – Mysterious Treasures Diamond and Pearl – Mysterious Treasures, released in August 2007, is the 34th set of cards in the Pokémon Trading Card Game and the 18th set released by Pokémon USA. Its symbol is a shiny jewel. The set introduces the Sinnoh Legendary trio, Uxie, Mesprit, and Azelf, as well as the fourth-generation Fossil Pokémon Rampardos and Bastiodon, both featured in their respective theme decks. The set also introduces "Pokémon with Item" cards, Pokémon cards with held items that work similarly to the Poké-Body mechanic. For this particular set, all held items are the berries found in the Pokémon Diamond and Pearl games. The set includes three new Pokémon LV.X and has a total of 124 cards. It is also the first set to include a secret card since EX Holon Phantoms. Diamond and Pearl – Secret Wonders Diamond and Pearl – Secret Wonders released in November 2007, is the 35th set of cards in the Pokémon Trading Card Game and the 19th set released by Pokémon USA. Its symbol is a whirlpool. The set includes several more "Pokémon with Item" cards: Pokémon cards with integrated Pokémon Tools, which include specific items from the Pokémon Diamond and Pearl games, such as the Moon Stone and Reaper Cloth evolution items. The set also includes two new Pokémon LV.X. and has 132 cards. Set of 123 was created in 2007 Diamond and Pearl – Great Encounters Diamond and Pearl – Great Encounters is the 36th set of cards in the Pokémon Trading Card Game and the 20th set released by Pokémon USA, released in February 2008