This set adds nine new cards to the Star Realms deckbuilding game. It includes Challenge cards with new solitaire and cooperative rules as well as a new card type called Gambits. The set includes:Frontier Fleet (Gambit) Merc Cruiser (Unaligned Ship) Pirates of the Dark Star Co-op Challenge Pirates of the Dark Star Solo Challenge Political Maneuver (Gambit) Rise to Power x2 (Gambit) Salvage Operation (Gambit) Surprise Assault (Gambit)