Broken Window by Darryl Davis and Daryl Williams

Broken WindowMagic download (video) by Darryl Davis and Daryl Williams ($7.50)
"Any Card to Any Number" is one of magic's most enduring classics. "Broken Window" is a new take inspired by that plot. In effect, the spectator names any card and chooses any number. The named card is revealed to have the chosen number written on the back. Is it the classic plot? Nope. But it could be considered an even stronger effect, since rather than revealing the named card at a position, the named number is actually WRITTEN on the card.
The method takes about ten minutes to create, and then the reset is almost instant. No sleights required.