This was a feature routine for which Daryl earned the Gold Medal at the World Congress of Magic (F.I.S.M.) in Lausanne, Switzerland.
The patter and presentation included suggests that these are cardboard chameleons and they can disguise themselves at will by absorbing their surroundings!
Only six ungimmicked cards are used, you finish reset and everything can be examined. This routine requires considerable practice, but once mastered it is a real reputation maker!
The cards supplied include the difficult to find green backed, poker sized cards with white borders.