YaneA,
If you were paying attention at all this past season, you would realize that the WCHA has decided on "natural rivals" for the regular season, meaning that there will be only one school that each team plays four times a year.
Minnesota vs Wisconsin
Colorado College vs Denver
Michigan Tech vs Minnesota-Duluth
North Dakota vs St Cloud State
and by default, Minnesota State (Mankato) vs Alaska-Anchorage
Outside of the "natural rival," the other schools rotate around where schools will play them in a single series for that season. I know, I know, people will whine about UND being Minnesota's natural rival, but let's be honest, everyone in the WCHA thinks Minnesota is their biggest rival. It's obvious from Big 10 action in football and basketball, that Wisconsin and Minnesota are a great fit. That applies to hockey as well.
MafiaMan