While these swords are at their best with equipment synergies, you shouldnt dismiss equipment if youre not playing a strict equipment deck some of their effects are too good to pass up
Making it orange and brown into a White Phyrexian-aligned card is a neat deviation from the norm when we saw White porcelain and Red for all of Elesh Norn's faction
If you're playing a multi-colored deck, you will be able to cover most, if not all, of your bases with a few minor exceptions
Even if you have the regular version of Edward Kenway in your pack, you still have a rather expensive card for your troubles.
Because synergies require interactions between multiple cards, theyre inherently riskier than a card whose power is mostly produced by raw rate
If proliferating is something your deck wants to do, consider it a slow mana rock that gives you a one-time burst of counters