The Masamune is clearly a better offensive tool than Sword of the Animist, and depending on what creature you have equipped, The Masamune can also outshine Sword of the Animist in pure value
The deck additionally features a number of acceleration spells including mana rocks (Chromatic Lantern, Gilded Lotus, Arcane Signet, Blitzball, Commander's Sphere, Sol Ring) to help accelerate out your spells and allow you to cast them ahead of curve, as well as removal spells and counter effects (many of which are costed to trigger Y'shtola) to deal with your opponent's largest threats
Every color and archetype has access to some kind of card draw engine, and there are hundreds of options in Eternal formats like Commander
Arbok in your Active Spot can then strike at your opponents Pokemon and keep them locked in place for a second strike on the next turn
Role for Value This is one of the few decks that I actually went back and played straight off the list, just to get used to this new mechanic
But maybe the artist was thinking it would be more likely for that dairy farm to have a bottled disguised as a cow (not sentret or even a milktank)