How would a being like Discord want to be remembered after he's gone? Well, if you're curious, he did actually write a will. To the surprise of nobody, its contents are bizarre and mildly disturbing.
Lyra thinks Discord is an idiot for not thinking to dodge when the Elements of Harmony were about to strike him. Discord thinks this is the perfect opportunity for a game.
With the invention of the magical radio, ponies from across Equestria await the first public radio broadcast, which will come from Princess Celestia herself. One week before the presentation, an unauthorized broadcast appears, hosted by Discord.