I tried out loading the Electrocutioners with prototypes and had a great time, but my friend has now pointed out the January FAQ as below which has put a dampener on that :(
Abyssinia Allegiance Card: Change the text of Advanced Prototypes Ability to: “During Scouting, you gain two Prototype Assets per friendy Commander. Any number of Abyssinia units in this Company may Attach a single Prototype Asset, ignoring Asset limits.”
TheOtherSide_FAQ-Errata_January2019.pdf