The release date for the first set to feature Generation 6 Pokemon has been announced to be February 5th, 2014. This set will simply be called XY. This set will feature many new Pokemon, Trainers and Supporters cards. XY will be based on the Japanese sets, Collection X and Collection Y which will be released on December 13th, 2013 in Japan.
American fans can receive a taste of the XY metagame though the Kalos Starter Set. These sets will give players the choice of three 60 card decks featuring the Kalos Starter Pokemon: Chespin, Fennekin, or Froakie. These sets will be release on November 8th, 2013. This is also the same date as the next TCG set, Legendaries Treasures.
The Kalos Starter Set will also introduce the Fairy Type and Fairy Energy. The Fairy Type will be a new Pokemon type to be introduce within the TCG and the first since the introduction of the Dragon type in 2012. There is no word on how the Fairy Type will affect the metagame or they type match-ups.