I think low duelers around 1-5k really don't variant their duel amount as much as high-duelers like you shockey. It would be cool if they have some sort of bot sit in the room and change the mod or something, but I doubt that would ever happen and could be abused.
I suggest:
500tc- Aikido,
2k- Boxshu_Mushu_v3, ABD
5k- Boxshu_Mushu_v3, ABD
It can't be like 20 lobbies of dueling. This is actually hard to solve, but I think this could use a poll for amount and a poll for mod for these servers to run and then maybe every few months or when new mods get popular then a new poll is done.