DETERMINE CATAN`S SPIRITUAL BALANCE! CONTROL CATAN`S COMMERCE! BARBARIANS INVADE! THIS EXPANSION FOR THE SETTLERS OF CATAN CARD GAME FEATURES THREE, UNIQUE, 30-CARD THEME DECKS (THE ERA OF INTRIGUE, THE ERA OF MERCHANT PRINCES, THE ERA OF BARBARIANS) AND REQUIRES THE RIVALS FOR CATAN BASIC CARD SET TO PLAY.