I think the Viks are a pretty good crew for the Assassin/Swordmaster archtype. Both Viks1 and Viks2 have this playstyle, but each offers a different approach. Viks1 plays the finesse Assassin game, while Viks2 is more of a Brawler. The crew itself has good mobility and one of the best minions in the game, so they are pretty generalist and can take on many pools (they may not crush the pool but they also won’t fall flat).
Misaki and LJ offer an Assassin/Brawler and a Title that Controls/Supports, so they can offer you a different aspect if you don’t want to be solely assassin/swordsman. I don’t have any experience with or against either, so I can’t comment on anything else for those two.