Boardgamegeek https://boardgamegeek.com/boardgame/203219/rivals-catan-deluxe
English - Rivals for Catan: Deluxe puts you in charge of one of the two factions developing newly-settled Catan. Use your unique card mix to create your own principality. Explore and settle new lands. Acquire resources through card play and the luck of the dice. Use gold, resource combinations, and trade to develop your domain. Expand your settlements and cities, recruit heroes, and defend your lands through...
Ludovox http://ludovox.fr/jeu-de-societe/catan-das-duell/
French - Le jeu de cartes pour deux joueurs dans une nouvelle édition (2016).