[Twan]

Level 7 mean the game is in a stage where there is probably no neutral province.

So to use this trick you need to *risk* your mages/priests in a fight where they will end with MR 5 and vulnerable to any anti-undead spell (and iirc they will also get morale 50 so you lose all if your forces have to retreat).

This alone balance this use of LAD for me. I can't see how someone can want to reduce the MR of all his mages in a late game battle against a real opponent, so the only possibility I see to use that is in an arranged battle...

But it's also very unlikely I would trust sufficiently anyone to arrange a fight to do that (and imagining someone succeed to arrange such battles, it's like the pseudo sickle exploit : if you have the diplomacy skill to convince someone to let you win battles, instead of trying to steal your artefacts / kill your mages, you just desserve the benefit after all).

Anyway, I understand that some players can consider this overpowered and bad for the game, which does not mean it's an exploit. Personally I consider instant battlewide offensive spells cast by the defender in round one far more overpowered and worse for the interest of the game, but I won't use the word "exploit" to try to convince people of my views. Like other too powerful spells, or unperfect game mechanics, LAD just work like it was designed to.