Yeah the iron banner will be interesting. I'm aware that damage and defence are balanced for crucible however the unique upgrades for exotic weapons and how they inherently handle better than most weapons definitely gives an advantage. Those small advantages in the hands of skilled players makes a huge difference. For instance check out the last word hand cannon in action; https://www.youtube.com/watch?v=twt_Y1su8XU Granted the player is pretty damn good too.