mtg split cards play both Top 5 in Commander Ranking Guilds Of Ravnica Split

You can also include Lessons in your main deck, just like any other sorcery

The other two commanders are great but would require way more card swaps to be worth changing to

Unlike in most other MTG formats, Commander decks require you to have exactly 100 cards

King of the Oathbreakers Being able to turn chaff cards like Heaven's Gate or Cauldron Haze into Teferi's Protection at home is astonishingly annoying to play against if you havent had the pleasure

Further Upgrades The highest impact non-budget card you can add is probably Thornbite Staff, being the second-best untapper for Illuminor Szeras after Dross Scorpion