Crystal Jackpot (The bounder!), richest pony in all Equestria, has decided to get revenge on Twilight Sparkle for crippling his insurance empire. How? By insuring the residents of Ponyville against Act of... Twilight.
Giving Discord a job must have seemed quite a good idea at the time. Celestia didn't mean to trick him, not at first. It just sort of happened that way, really. Now he's not best pleased...