mtg commander precons Precon Here are some of the

Narset, Enlightened Master As an excellent spellslinger commander, Narset, Enlightened Master often excels in control shells that aim to cheat free spells into play, like Omniscience, and manipulate your hand/topdeck with the likes of Brainstorm or Jace, the Mind Sculptor to guarantee casting the spells you want for free

However, I think Llanowar Visionarys time to shine has yet to come

I feel confident in saying that while she has a higher ceiling than The Swarmlord, she feels like a less impactful commander within the context of the precon without modifications to add more X cost cards

Kessig Cagebreakers

Make no mistake, Forerunners absolutely ends games if youre willing to run it, as will Rumbleweed