Dirk and David interview Mark Rosewater, the long-time lead designer of the legendary card game Magic: the Gathering. Mark shares his wisdom on how to make a game that can continue to be designed over time, as well as how games can excite different kinds of players. Topics include how Mark got his start in game design, the usage of player psychographics, how to design tools not solutions, and different design techniques to improve the longevity of a game.