I'm sure we could find a way to balance it.

Lol the resistance drone I don't see as even viable... unless it gives a lot of res, but even then it's still bad as ur main drone. (will suck against the other 2 match ups it doesnt give res for). Unless it adds res to each type.... if it's low it could be workable I think. Too high would be OP.

I think the idea of adding cool down/energy and ammo is the most useful idea here. Maybe something else idk like max heat capacity or cooling or something like that.

Of course they will do less damage than the average drone.

It's a curious idea that with some thinking and kinking around with could be made practical. But that's just my opinion.