“I lost, and I was like, ‘I want to learn to get good at this game,’” Koppelman, 52, said recently. That day, he parted ways with his entire canteen stash: a cool $30. When Brian Koppelman was an 8-year-old playing in his first five-card draw game, his sleepaway camp bunkmates cleaned him out. If you can’t spot the sucker in your first half hour at the table, then you are the sucker.”