There's your problem. You need to call Ex sets something else. Well, actually it won't matter what you call em. Bonus sets would just trigger gambling spam.
The bot that latched onto my guild message is informative at least. It got it claws into Blitz and offered me american football gear. The word is Germanic in origin. It is now giving me history lessons. Anglo saxon blah blah. I like yeah? Tell me about the romans dude. What did they ever do for us?