From the preview:
The City features a deck of city-themed adventure cards and a host of shops to provide interesting items for all your questing needs!. Secure a steed from the Stables, pick up Pets or Potions, or head to the Armoury and the Magic Emporium. But adventurers beware, there are plenty of dangers brewing in the streets of the City!
The City’s walls may keep out the beasts and brigands that roam the countryside, but civilization comes with its own dangers and rewards. The City comes with a deck of cards that feature the particular troubles and treasures that the City’s press of people can bring to an adventure.