Niiice emblems. The panzerwerfer isn't a nuker? Well, fair if you want her. I'm going to pass on this one. Her regular damage output just isn't up to a five star five gear standard. I'd rather deploy my M8 and a Satan even if that usually means I have to eat their repair costs. I don't have a T-92 so I'll hang onto my meager blueprint reserves for now. Or a Zoya. Or any of the high test destroyers.
You know what would make for a cool unique Arty? Replace the HE shell passive with multi-turret. That would shift it from a 'gouging out enemy back field with splash damage' to a wide area fire support role.