You and your opponent take the role of competing Pokmon Trainers
Ive been playing and writing about Commander for fifteen years, and as the format has grown into the most popular way to play Magic on the planet, Im often approached with the question: How do I start with Commander? I even wrote a book designed to jumpstart someone into the format, The Complete Commander
Decks like Zacian V or, my favorite, Entei V, can now stand a strong chance against Pokemon VSTAR decks, and even stronger against Pokemon VMAX
However, if you build a barracks, then you can start producing marines, which can then gain you advantages in combat, worker harass, controlling the map, and so on
Its a bubble, and it will burst, but the concern is just how much harm it will have done by that point
While there are many steps, and it can appear complicated, remember that many of these steps can move quickly when neither player has a play to make