The famous "This, That, and Other" magic card trick released in 2007.
Skill Level: Low, but requires practice.
Note: Watch the video. A lot of the "magic" comes from the story. Practicing the story is just as important as the trick itself.
Three cards (Preferably empty cards, 2's, or Aces)
A permanent marker to write on said cards
Note: The trick shows better when the text is in the middle but can be placed anywhere.