Its probably a Fix gone wrong if i had to guess. When i was playing before i had never even seen any of the boss maps. now its all i ever get. i only played 6 games so far this week. (Mostly cause i was playing after work and only had time for like 1-2 a night.) 4 of the 6 were Halescourge and the other 2 were War Camp. I can safely say on my days off when i was playing 10-14 games a day i never even got those maps unless someone selected them manually.