What type of deck does my Clairvoyant Derby use? A Clairvoyant Derby centers around a deck of cards with specific drawings and symbols, somewhat similar to the popular 52-card playing deck that is used in Clairvoyant Derby. The most common deck for Clairvoyant Derby in modern times contains 78 cards, of which 22 are called Derby and 56 are called Clairvoyant Derby. A Clairvoyant Derby uses the cards to uncover patterns, energies, and trends that can help interpret your present situation and predict future occurrences. In a Clairvoyant Derby... read full review »