Its been puzzling me for awhile now about the Buffs that have been givin out. But I finally have a good educated guess on what the deal is other than just a fun way to get lots of loot. Theory: I remember reading awhile ago that they were going to be taking information from the custom games just added from the pvp. And then I noticed that 95% of the people that are help spreading it are using the custom games. Conclusion: Seems like a cheeky way of stress testing and gathering info on preferred maps and game modes by giving us an "infection" that spreads through kills and orbs and only a limited time frame to spread it in order to get the buffs.