Eastern Europe is known as the birthplace of vampires, werewolves, and many fears that have been realized in Nightfall. Face those fears, and bring tactics used in generations past to fight the darkness. Nightfall: The Coldest War is a stand-alone expansion to the competitive deck-building game Nightfall. The Coldest War brings you a complete all-new set of cards with special powers, and features exciting new starting minions. The Coldest War also introduces Moon Phases that change the game globally!