Mayfair Games will release Era of Darkness, a new expansion for the Rivals of Catan card game that was released last year, on November 17th. The Era of Darkness Expansion, which requires Rivals of Catan (see “Rivals of Catan”) to play, takes two players 45-60 minutes and will retail for $12.00.  The Expansion contains three 30-card expansions, Almanac, and rules book. The three expansions are “The Era of Intrigue” (in which a religious dispute causes both players to loses cards); “The Era of Merchant Princes” (which focuses on the commercial harbor and the merchants’ residences); and “The Era of Barbarians” (in which barbarians invade).