Pokémon TCG: Diamond & Pearl - Mysterious Treasures will be the eighteenth Pokémon Trading Card Game set when released by Pokémon USA, Inc. in October 2007. The set is based on the three lakes of Sinnoh and the Pokémon that rest there: Wisdom Lake, home of Yuxie; Aspiration Lake, home of Agnome; and Trust Lake, home of Emrit. It is also based on the new Fossil Pokémon, Trideps and Rampard.