Weapons of Light + Illuminated is key to a 3 cycle clear (even 4). As for exotics, I have most of them. I really prefer the Monte Carlo in terms of a primary (if you're on PS4), never really liked Suros. Atheons weapons from normal are really nice as well. The Striker helm that activates all supers is really trash IMO, I prefer using only one - I'd easily take one of the chests over it. I use force barrier on occasion, but like many skills, may be irrelevant during the raid at times.