Ancient Terrible Things: Madness of McGuffin is a mini-expansion for the game Ancient Terrible Things, and includes 8 starting Swag cards (2 for each Explorer), a new Revelation Encounter, and quick reference rules card and backstory. Combined with the white action dice, the Swag cards introduce a simplified re-roll and resource mechanic. The Revelation Encounter card utilises purple dice. (White and purple dice are sold separately and available in Ancient Terrible Things: Skullpips accessory pack and in the game Konja). —description from the publisher