For Iron Banner All playlists except classic crucible turn into Iron Banner for a week There are two playlists one teams allowed one similar to mercenary playlist from CoD to allow only individuals. PROS: Everyone plays the game type they want Solo players stand a chance because now they have no teams to fight against Reduced lag as you spread the player base out among all types instead of overloading one. (They used this excuse for lag during SRL, don't know if this really helps or not but based on that tweet I'll assume it does) CONS: Slightly longer queue times most likely