The warding totem bug.
Well I am reporting this to riot cause it causes lag but. You basically get 3 or more people to place down ruby sightstone wards
plus vision wards
and you get 3 people to run around spawn doing that cause it refills every time your in spawn and it breaks so you can place over the limit of wards. I'm not sure if it works in Howling abyss, crystal scar, or twisted treeline but I felt like reporting it cause it could be used for reasons that are not good I guess xD please riot reply and tell me if your working on it or not. Thank you. 
But I wanna