You will need the rivals for catan to play this expansionr r r r r r the rivals for catan age of darkness a 90 card expansion for the rivals for catan includes three separate theme sets that can be used with the base gamer r r r the era of intrigue ndash you will witness the confrontation of followers of new and old beliefs and take part to determine catan39s spiritual balance quotreligious disputequot causes both players to lose cards churches and temples