Hat & Hare

First 5 tricks · No. 3

The Key Card

Find a freely chosen card in a cut deck, using one of the oldest and most useful principles in card magic.

Category
Cards
Level
Beginner
Learn it in
About 10 minutes
Difficulty

Draft. Awaiting review by our resident magician.

  • TODO: Review the method and patter in your own voice
  • TODO: Confirm the book references and add links to where to buy them

The effect: what they see

A friend picks any card, loses it in the deck, and cuts as many times as they like. You never see the face of their card, and you find it anyway.

What you need

  • Any deck of cards, borrowed is best

The method

The whole secret is one card you know: the key card. If you know which card sits next to theirs, you can always find theirs.

  1. While you shuffle, tilt the deck slightly and glimpse the bottom card. Remember it. Say it’s the seven of clubs. That is your key.
  2. Spread the cards face down and let your friend take any card. Ask them to look at it, remember it, and show it around if there are others watching.
  3. Square the deck and have them place their card on top.
  4. Ask them to cut the deck and complete the cut. The bottom half, with your key on its face, lands right on top of their card.
  5. Let them cut again, as many times as they like. Complete cuts never separate the key from their card.
  6. Turn cards face up one at a time from the top, dealing them onto the table. When you see your key card, the very next card is theirs.

Performance & patter

Finding a card is a small thing. Making the finding feel impossible is the art. Don’t stop the moment you see their card. Keep dealing, past it, and let them believe you missed.

Suggested patter: “I’m going to bet you a coffee that the next card I turn over is yours.”

They’ve just watched their card go by, so they’ll take that bet. Instead of turning over a new card from the deck, reach into the face-up pile, find their card, and turn that one over, face down. You won the bet on a technicality, and that is funnier than being right.

Give the cuts to them, not to you. The more control they feel they had, the bigger the moment when you find it anyway.

Common mistakes

  • Letting them shuffle. A riffle shuffle separates your key from their card. Cuts only.
  • Staring at the bottom card. The glimpse should take a fraction of a second while you’re talking. If you stare, they’ll remember.
  • Rushing the reveal. Pause before you turn the card. Let the silence do some work.
  • Forgetting the key. Pick a key that’s easy to remember, or say it to yourself as you glimpse it.

Where to learn more

Origin. Traditional. The key card principle appears in nearly every beginner's card book of the last century.

  • The Royal Road to Card Magic by Jean Hugard and Frederick Braue. Covers key cards and many ways to use them
  • Mark Wilson's Complete Course in Magic by Mark Wilson