In August 2013, Theory 11 began a quest to create playing cards fit for display at the legendary Palace Hotel in New York, a gathering place for royalty and the ultra-wealthy. For the past 14 years, Cohen performed Chamber Magic in a private suite for sold-out audiences including Warren Buffett, David Rockefeller, and the Queen of Morocco. In 2012, Cohen became the first magician in a half-century to sell out Carnegie Hall.