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This glossary was compiled, written, and edited by Lothari and SwanDive with the help of these amazing people: Damorquis, Danman233, Green Cricket, Gvuardya, Gwent2town, ImpairedTuxedo, Kai_a, lordgort, Molegion, Santtu2x and shinmiri2.

Special thanks to Gnurrgard for inspiring this project by sharing his knowledge on CCG theory and giving us continued feedback.

A specially built deck containing no duplicates of any card.

Singleton decks exist across a variety of card games due to cards with mechanics such as Shupe's Day Off and Radeyah that require the deck-building restriction of including no duplicates in order to proc. While these decks can be inconsistent and weaker than others due to the relative strength of the cards that must be included to ensure no duplicates, this disadvantage is paid off by the ‘highlander’ card (Shupe or Radeyah in Gwent) delivering a powerful effect to compensate.

Singleton decks are also known as highlander decks (after the Highlander franchise, which had the tagline ‘There can only be one’) as well as being called by the key card the deck is built around, e.g. Shupe NG or Radeyah Pincer Maneuver.




As a big fan of the Witcher franchise, SwanDive is always on the lookout for her next Witcher fix. She started playing Gwent in the Closed Beta for the lore – and stayed for the game and the community. Long an avid gamer, Swan found her passion for CCGs and competitive gaming at the Gwent table. Away from it, Swan is studying for her Master’s degree in English and worked as content manager for Team Aretuza.