a stealth oriented class like the spy from tf2, they have a revolver that does one fourth of the damage per shot, and 50% of health on headshot, instead of a rifle, the spy has a knife, instakill from the back, the first gadget whould be limitedtime invisability the gadget itself could be the one from breachers. and the second gadget is a car bomb, so it works like this, it takes around 15 second to put it on, it can only last 1 minute withought exploding and can be exploded early