DETOURS

A collection of 1993 "Magic: The Gathering" Beta cards are appraised on GBH’s Antiques Roadshow for up to $100,000 leaving producers wondering when–and why–did these modern collectibles get so valuable? Host Adam Monahan heads straight to the source for answers: with a trip to a Magic tournament, and an interview with Richard Garfield, the creator of “Magic: The Gathering,” himself!