A new Maga-Damage (MD) options just came to my attention.
The first is all MD weapons get the Maga-Damage trait. But now do damage as SDC weapons do.
If a MD weapon hits an SDC target the damage is doubled.
If the MD weapon hits an MDC armor target apply damage as normal.
If an SDC weapon hits a MDC target subtract 10 from the damage rolled and applied as normal.