Hey so versatile is a pretty cool mechanic. Definitely helps armory a bit who's basically a comatose patient on life support. It actually encourages playing units (!!!!) and....attacking with said units too (!!!!!!) rather than just durdling board wiping 24/7 and smacking face with a relic weapon.
Cards in the board are all considerations to swap and play around with. Overall,
Hidden Garrote and
Steelwarren Responder have been the weakest links so I'd suggest cutting them first if anything.
Foxfang Katars and
Gift of the Auric Bank also might be worth 4x ofs, but I don't have enough to craft them xd