They could totally do a reskinned Ashiok, Nightmare Muse as Dream, right
I wanted to share what I think are the five best commanders to lead your own chaotic brew
In other words, Oko's commanders enjoy a sizable boost in reversibility once the walker resolves: they suddenly get to choose when to interact and when to proact, all while drawing enemy resources onto one card that may or may not distract from other plans
Goblin decks usually go wide enough to simply slam more creatures through than your opponents can block, but Goblin Commander decks almost always put Krenko, Mob Boss in charge
You can also do a lot of different, useful things with arguably the best charm for Commander, and it's a very flexible 3-mana counterspell
Keep them clearly separated on the battlefield, reveal them as they leave, and use them wisely to keep your opponents off balance