Tucked away in an independent office building near Lake Washington lies the headquarters of Game Magic: The GatheringThe longest-running collectible card game in existence. For the first time, a collection of journalists has been invited to the heart of Wizards Of The Coast to discuss the history of MagicAs well as a small look ahead at the upcoming Duskmorn And Basics Sets. Set up as a private convention, we were brought into the secured headquarters and presented with three separate panels. The first was a Q&A with a group of key decision-makers inside Magic. This includes Mark Rosewater who has…