The other successful split deck
Gerrard Capashen Most recent printing: Gerrard, Weatherlight Hero (C19) First seen: Abyssal Gatekeeper (WTH) First creature printing: Master of Arms (WTH) Unlike Teferi, Gerrard Capashen doesnt have to wait very long between first mention and first sight
And then you'll have fuel with Food which counts as both artifacts and tokens, Treasure decks, Clues, Orzhov Tokens, and more
It's also an efficient way to discard cards, especially if you're spending a mere 2 mana to escape it, making it a solid inclusion in Madness decks like Anje Falkenrath or Phoenix Tribal
It has some explosive potential, and having an alternative double-Regrowth option is some nice modality
Cards that deal as little as 1 damage will still benefit from your commander's effect and can deal huge damage