The CMx2 Blitz ladder tests a couple of scenarios each month. The goal is to determine how well balanced they are for H2H play. The scenarios tested this month are:
CMBN CW One Hell of a Good Scrap
(requires the common wealth module)
CMBS The Russians are Coming
If interested, please post in the CM2x thread here
specifying which of the above scenarios you wish to playtest.
For those of you unfamiliar on how the SotM works, you can see the guidelines here: