What makes sense to me for a late war Western front army is a manpower income reduction. There were plenty of munitions and fuel to go around it was a manpower problem the Germans had. This way you must preserve your units more so you don't bleed out your precious Ubermensch rather than floating 1,200 mp as OKW in 1v1 up to 4v4.
It would be Pathfinders, the Faction.
