A Game of Thrones The Card Game Second Edition - Watchers on the Wall Expansion Unopened. See photos for details. Expand your A Game of Thrones card game with the exciting Watchers on the Wall expansion. Join the battle for the Wall and experience new gameplay with new characters and cards. This expansion includes a deck of 60 cards, new plot cards, and the introduction of the Night's Watch as a playable faction. Enter the world of Westeros and fight to defend or conquer the Wall in this epic board game adventure.