Banshee it's not that far off-base. It's less gamey to avoid damage in the first place, than to take damage knowing that you have a 5min magic repair just a couple of miles away. And this repair couldn't realisticaly be implemented for the better of MA gameplay (the only place where this could fit in, since every other arena's less gamey, except for the DA and TA where there's no use for this at all), because it doesnt make sense to have it directly tied to field attrition. You'd have the guys steamrolling with repair enabled whereas guys on the short end of the stick would have their repair strat disabled.