In this articleWMTTGTTrading cards of the game "Magic" are located in a shop where a "Magic" tournament is taking place.Frank Rumpenhorst | picture alliance | Getty ImagesAs screentime soars and technology races ahead, a low-tech pastime is back in a big way: collecting trading cards.The cardstock depicting everything from NFL standouts to Pokémon and even Taylor Swift is one of the hottest toy categories in stores this year. Big-box retailers are stocking up ahead of the holidays, anticipating that demand ...