The Deck of Mysterious Creations is an accessory for use with Necromancer Games' Tome of Alchemy. It is not a standalone game; the deck is used to keep track of the vital essences and other ingredients available to alchemists. Included in this deck are: 50 Monters Cards (with statistics) 12 Gemstone Cards 15 Metal and Rare Earth Cards For use with Pathfinder Rules - from the publisher's blurb