I’m not suggesting level 7 skills here, they’d be crazy powerful.
But what about more pandoran mutations, like full on physical ones. Big ticket mutations that cost like 300 mutagens to apply.
Like siren tails with frenzy or maybe arthron type body armor with shield and claw for the melee types or four arms like the tritons or Myrmadon style wings that function like a jet pack on a heavy.
So we can take our favorite mutoids to the next level even if they’ll never have the best soldier skills like rapid clearance.