Deck of many things Deck of many things In the "Dungeons & Dragons" fantasy role-playing game, the deck of many things is a powerful magic item. The item comes in the form of a deck of cards, each one causing a distinct effect upon the character who draws it. These effects can be either beneficial or baneful. The "deck of many things" first appeared in the "Dungeons & Dragons" game's first supplement, "Greyhawk" (1975). This version of the deck contains 18 cards, corresponding to the ace, king, queen, and jack of each suit (hearts, diamonds, spades, and clubs), and two jokers. The "deck" also
Zener cards the experimenter picks up a card in a shuffled pack, observes the symbol, and records the answer of the person being tested, who would guess which of the five designs is on the card. The experimenter continues until all the cards in the pack are tested. Poor shuffling methods can make the order of cards in the deck easier to predict and the cards could have been inadvertently or intentionally marked and manipulated. In his experiments, J. B. Rhine first shuffled the cards by hand but later decided to use a machine for shuffling. In his book, "The New Apocrypha",