I'm just thinking about the MOW Kovnik + 2 Berserkers combo: I think Kovnik invites us to use 1-2 Berserkers especially with all focus selfish casters who probably even offer spells or feats affecting all friendly jacks, not just their battlegroup?
With pButcher's feat we're talking about 4x MAT 5+10.5 at POW 16+14/10.5 here, +2 additional headbutts probably, +2x MAT 5+7 at POW 16+10.5 (or both initals with POW +14), +Kovnik shooting or in melee as well (1x MAT 8+7 at POW 15+17.5/14!) for "just" 15p in total ... but without spending 1 single focus on them during the whole game! - The 3 Serkers (+1 with Butcher) could be a pretty nice screen to hide Kovnik and the Butcher while they advance quickly. Adding a unit of Ternions we're talking about a 9'' screen here and have enough magical weapons on board already. Should be nice with p/e/lVlad or Strakhov as well?
All in all, MOW Kovnik + 2 Berserkers seem to be very interesting as a slow but very durable center of the army. What's your experience with this combo?
EDIT: Correction of the assumption that Kovnik's Drive boosts "all attacks" - it's the inital attacks "only".