I'm silver 3 and my current "main" is Omen but i'm not very good with his TP or his ult. So i wanted to switch to Brimstone but i never see him in high elo games so i don't know if he is viable ?

Yes, new content is great way to keep a community alive and thrive, but I wonder if at some point adding too much agents can become overwhelming or even intimidating for new players? Tactical shooter (or atleast successful ones) is alread...