Cartomancy is a form of fortune telling --
divination -- using a deck of cards. A deck of regular
playing cards (i.e. hearts, diamonds, clubs, spades) may be used for this purpose. However this usage is frowned upon by many people who believe that one should not use divination cards for playing. As a result there are many decks designed specifically for use by cartomancers -- the best known are
Tarot decks which are specifically designed for cartomancy. Whichever cards are used, there are specific layouts designed to tell different things -- from one card to about thirty.