Optimal Early-Game Artifact Set

I'm relatively new to the game, AR 31, and I just recently got Razor. Right now I'm running him as my main dps, and I levelled him to 60/60 with prototype aminus. For my artifact set, I am currently using 4 martial artist (4 star), since I don't have gladiator or any of the electric sets yet. While I try to grind some gladiator artifacts, is martial artist the best set to use in the meantime? Would it be better to go berserker?

If it's relevant, the rest of my comp is Barbara, Kaeya and Xiangling, sometimes swapping in Bennett if needed.