Instead of making three four-color commanders, they came up with the Partner mechanic, which allowed players to run two commanders and combine their color identity
Kirri, Talented Sprout Kirri, Talented Sprout does a great job supporting Yuma, Proud Protector in the desert precon and beyond, but I dont think much of it as a commander
Like the original Moat, Teferi's Moat is a card that a large percentage of decks simply cannot beat, and it puts many others on only a handful of outs
Armor Wars Arni Slays the Troll Avengers: Under Siege Battle of Frost and Fire Book of Mazarbul Burn, Burn, Tree and Fern Day of the Moon Esper Terra Fable of the Mirror-Breaker Forging the Tyrite Sword Founding of Omashu Heaven Sent Hidetsugu Consumes All Ifrit, Warden of Inferno In the Darkness Bind Them Invasion of the Giants Kardur's Vicious Return Korvold and the Noble Thief Kumano Faces Kakkazan Lavabrink Repels the Magmaloth Maximum Carnage Oath of Eorl Origin of Thor Origin of the Hidden Ones Phoenix, Warden of Fire Ral and the Implicit Maze Rediscover the Way Roar of Endless Song Roar of the Fifth People Showdown of the Skalds Summon: Brynhildr Summon: Esper Ramuh Summon: Esper Valigarmanda Summon: G.F
Just remember: Torbran, Thane of Red Fell adds two additional damage only after damage is multiplied with Emancipation
Maggot even has the enchantment tag for even broader synergy support