51st State: Allies is the second expansion for 51st State Master Set!
In Allies, you will discover new ways to ally your factions! Cards will now include a new alliance mechanism, that will grant you new unique bonuses and features. Will you try to unite the factions of the 51st State, or are you going to be a lone wolf? Will you create powerful combos between your allied cards? Finally, do you plan a welcome party for the three new factions which have crossed the wasteland and joined in the frey? Allies introduces Iron Gang, Uranopolis, and Sharrash! With them, you will discover new ways to dominate the wasteland!