I was thinking of creating a home brew side expansion for The City one centered on the guilds and the city guard. Some of the stuff I was thinking of including in the set are:
1: A effect to close one shop at a time (centered on the city guard investigating a robbery or crime).
2: A effect that limits the amount of cards players can purchase in a turn (centered on the merchants guild).
3: A effect that allows a player to go through any discard pile or any deck and remove a card from the game (assassins guild)
4: A stealing object effect (based around the thieves guild) but I have not really thought that one out?
I was thinking of adding the old 2nd ed upgrade characters and allowing characters to become a important character in the city like: The head of the Merchant Guild, thieves guild, assassins guild and head of the city watch.
Any ideas or thoughts because at the mo I'm after ideas.