Casting hallow will raise the magic rating of the soldiers by 3.   (tactically useful, lets the soldiers take more risks, but not a major game changer like consecrate)  And since they already have a magic rating of 1, coming up with a large number of buffs to place on them would raise their magic rating to most likely 6 or so as long as the buffs stay up.  They should cleave through the discipline 0 mindless undead like a knife through butter.