Are you sure there isnt too many knights? 10 Knights seems a bit much, and unfair to the challengers since they are using the same team over and over again + having to battle 4 shoguns afterwards, which makes 14 battles. I think you should lower it to around 8 or 6 since it makes it sort of like a Gym with a very good twist. I think the uber idea wasnt too great, and as greene said, sounds like a Team Destiny copy. Unfortunately i can't think of any suggestions towards what another rule might be, but an uber like Deoxys-A and a follow me pokemon could be devastating, not to mention that other pokemon like Deoxys-D or other bulky ubers would shrug off any 2 or 3 pokemon attack move e.g Earthquake, taking only half the usual damage + or - stab, when ubers already have a pretty unfair advantage.