Cast equipment, cast Nahiri, attack to cast way more equipment, and hope to dodge artifact board wipes long enough to close out the game
Other takes on this strategy have centered on Brain in a Jar, which has the disadvantage that it can be slow to get going late, but its advantage, in addition to not being an enchantment, is that it has an interesting combination with Days Undoing that allows you to cast Days Undoing on your opponents turn, skipping the end the turn clause, which means that the Days Undoing ends up in your graveyard
While Ragavan is less impressive in Commander than it is in 1v1 Magic, it still sees a ton of play there
Since the mana ability sticks around throughout the saga, you can likely cast the dinosaur you search for, then deal a lot of damage the following turn
No matter if you focus on a single format or try to keep up with everything, knowing the scale of the card pool helps you make smarter decisions