is it bannable to do this
playing as 
and whenever u get a kill or assist you yell DEMACIA or JUSTICE in all chat
4 Comments
THAT's competitive BSing. However, be a good sport and don't spam it excessively.
No.
Annoying as the Riven main flashing their lvl 7 mastery all the time, yes. Bannable no.
Just be aware that as much as you may be tilting your enemy laner you're possibly tilting your own team.
Nah