The XP buff after nightfall if cool when you are upgrading weapons and gear. What if we had some random perks? For example a perk that increase movement speed, and it leaves a trail of fire behind you. How about a melee modifier that makes it so your enemies fly backwards at a high and hilarious rate of speed. One that increases your sparrow speed by 5x. One that buffs a random damage type for the week. One that increases engram drops/coins/motes One that increases the rate at which you get rep. Just some ideas I was thinking about today. It would make for some fun times in PvP and be good incentive for PvP peeps to do the nightfall.