From Bulbapedia, the community-driven Pokémon encyclopedia.
Karen (Japanese: カリン Karin) is a Supporter card. It was first released as one of the XY Black Star Promos.
| Each player shuffles all Pokémon in his or her discard pile into his or her deck.
|You may play only 1 Supporter card during your turn (before your attack).
In Japan, this card was awarded as a participation prize to players who competed in the Pokémon Card Gym Karen Night Battle held at participating Pokémon Card Gym venues between August 1 and September 30, 2016. This card has the Pokémon Card Gym logo in the bottom right corner of the artwork. It was printed in English as one of the XY Black Star Promos, included in the Battle Arena Decks: Rayquaza vs Keldeo, released on September 21, 2016. This card was reprinted in the Japanese The Best of XY subset alongside a Full Art print with artwork by Hitoshi Ariga. The Full Art print was later released in English in the Premium Trainer's XY Collection as a Yellow A Alternate card.
Karen is a member of the Elite Four in Kanto and Johto.