Deck of Many Things

Source: Dungeon Master’s Guide

Wondrous item, legendary

Usually found in a box or pouch, this deck contains a number of cards made of ivory or vellum. Most (75 percent) of these decks have only thirteen cards, but the rest have twenty-two.

Before you draw a card, you must declare how many cards you intend to draw and then draw them randomly (you can use an altered deck of playing cards to simulate the deck). Any cards drawn in excess of this number have no effect. Otherwise, as soon as you draw a card from the deck, its magic takes effect. You must draw each card no more than 1 hour after the previous draw. If you fail to draw the chosen number, the remaining number of cards fly from the deck on their own and take effect all at once.

Once a card is drawn, it fades from existence. Unless the card is the Fool or the jester, the card reappears in the deck, making it possible to draw the same card twice.

Scope Playing Card Card Effect
A Ace of Diamonds Vizier* Know the answer to one question. You must ask question within 1 year.
A King of Diamonds Sun Gain 50,000XP and one Wondrous Item.
A Queen of Diamonds Moon You may cast the Wish spell 1d3 times.
A Jack of Diamonds Star Increase one ability score by 2, up to 24.
B Two of Diamonds Comet* If you single handedly defeat the next monster you encounter, you gain one level.
A Ace of Hearts The Fates* Rewrite reality. Make one thing not to have happened.
A King of Hearts Throne Gain expertise with Persuasion. Gain ownership of a keep which you have to reclaim from monsters.
A Queen of Hearts Key A rare or rarer magic weapon that you are proficient with appears.
A Jack of Hearts Knight Gain the service of a 4th level fighter.
A Two of Hearts Gem* 50,000GP of Jewelry and/or gems appears.
C Ace of Clubs Talons* All your magic items disintegrate. Artifacts vanish.
D King of Clubs The Void Your soul is extracted from your body and imprisoned. It cannot be located except through a Wish. Powerful beings guard it.
C Queen of Clubs Flames A powerful devil becomes your enemy.
D Jack of Clubs Skull An avatar of Death appears, and you must battle it alone. Anyone who helps gets their own avatar. If it kills you, you cannot be restored to life.
D Two of Clubs Idiot* Permanently reduce Intelligence by 1d4+1 (to a minimum of 1). You may draw again.
D Ace of Spades Donjon* You are trapped in suspended animation in an extra-dimensional sphere, that can only be found using a Wish spell.
C King of Spades Ruin All property except magic items is lost to you.
D Queen of Spades Euryale You are cursed. -2 to all saving throws. Only a god or the Fates card can fix you.
C Jack of Spades Rogue An NPC becomes hostile toward you.
C Two of Spades Balance* Reverse alignment.
D Joker (with TM) Fool* Lose 10,000XP (but not a level) and draw again.
A Joker (no TM) Jester Gain 10,000XP, or draw twice more.

Probability of positive outcome: 11/22

Probability of disaster: 6/22

Scope Legend

Symbol Meaning
A Amazing
B Beneficial
C Copeable, if bad
D Disastrous