Many cards, like Narci, Fable Singer and Tom Bombadil, are great saga commanders and let you build your deck around sagas
One of the best cards for this deck will be Encroaching Mycosynth , which turns all your nonland permanents and spells into artifacts as well, massively increasing the number of artifacts you control without needing to devote too much time to producing them
This last ability certainly seems like a drawback and makes playing Song of Creation slightly more taxing, but this ability does have upside, allowing its controller to fill the graveyard quickly to escape Uro, Titan of Natures Wrath or to get more value from Cavalier of Flames.
You can even tap the Songcrafter itself to Harmonize the spell, so there will be a minimum discount of 3 lined up cunning removal from your opponents notwithstanding
Indestructible Creature Enchantment - Knight Saga Summon: Primal Odin (As this Saga enters and after your draw step, add a lore counter