Let's run a quick thought experiment
In addition to the classic tabletop trading card game, the Magic franchise has expanded to Magic: The Gathering Arena on PC and mobile and fiction across the web, comics and a New York Times bestselling novel
I played a lot of it in Amonkhet Standard, I used it in Chaos Drafts to great effect, and it featured in both my Chainer Nightmare Adept and my Burakos/Guild Artisan Rakdos decks
You could certainly play the two of them as partner commanders instead of having Gavi lead the deck
Critically, Portents slow-trip of drawing the card on your opponents upkeep also dodges Narsets only draw one per turn rule, since the opponents upkeep is a new turn
Goblins, primarily, will see a lot of use out of this, but so too will all manner of tokens decks