Here are some cards that have historic synergy, and are historic permanents themselves: Excalibur, Sword of Eden Jhoira's Familiar Weatherlight Crystal Skull, Isu Spyglass Abstergo Entertainment Here are some cards that are not historic, but add to the overall theme: If youre playing a lot of artifacts with your historic-matters commander, you may want to take a look at affinity for artifacts and metalcraft: Naturally, since historic also applies for legends and sagas, you can have saga payoffs and legends payoffs, depending on the route in which youre leading your deck
Rograkh, Son of Rohgahh has a lot of effective combat abilities, so all you need to do is add some equipment and combat tricks to buff them up
Since you're going to attack with (almost) exclusively Assassins, each one will give the others a +1/+0 stat boost
Green mages simply encourage them to do so in your direction
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