Elesh Norn, Grand Cenobite is great for this since its hard to remove, makes your commander a 4/5 flier, wipes out most of your opponents mana dorks, and makes your dorks actual threats
Keep in mind, even if you're not playing Game Changers in your Zodiark deck, the fact that your commander forces all of your opponents to sacrifice half of their non-God creatures when it enters will not be the sort of game a lot of more casual players will be looking to play, so make sure your pod is happy with difficult mode
In Magic, preconstructed decks built for the Commander deck are common, and are often released alongside major set releases (and in some cases, on their own)
This powerful uncommon appeared as a four-of in the top four of a recent Magic Online Standard Challenge, and its versatility is what makes it a great inclusion
Jan Jansen, Chaos Crafter Jan Jansen, Chaos Crafter can create two Treasures whenever you tap them to sacrifice an artifact creature