mtg modern horizons booster box / 3 Frame Fetch Land in less than 1% of boosters Magic: The Gathering Modern Horizons

With its emphasis on creature types and quirky but powerful mechanics, many of the best cards from that blocks various sets slot nicely into modern Commander decks

If Rootwater Shaman were our commander, I'd absolutely consider it, but I can't have a bunch of sorcery speed cards that are bad unless I draw and keep alive an obscure, fragile Merfolk from 1996

Firion, meanwhile, essentially doubles up on your non-legendary equipment the turn you play it, which is awesome

You can get a fleet of small utility creatures like Orcish Bowmasters, Honest Rutstein, and Priest of Fell Rites or go big with creatures like Archon of Cruelty and Serra's Emissary