The fifth major expansion of the Pokémon Trading Card Game's Black & White Series is known as Dark Explorers. It is based on the Generation V Pokémon game, Pokémon Black and White. The expansion debuted on May 9, 2012.
Item cards may appear on Secret cards as of this expansion. The attack box on these cards has a Holofoil Poké Ball in the center of it. The set has 108 cards and 3 secret cards with Gardevoir #109 being one of them. Other cards to watch for in this set include Darkrai EX #107 & Kyogre EX #104.