To help learn about this facet of the rules, here are some other common instances where Rule 6 matters: An opponent gains control of your Commander
I dont think this is too much of a hoop to jump through if you plan on using the land anyway especially with White centric untap effects or even just vigilant creatures to keep some pressure on
The Soul Stones harness ability is a bit overblown given the massive set-up cost, but it's all gravy on a massive upgrade to Charcoal Diamond, and an indication that the other colors will be getting some improved mana rocks soon enough, probably a few as early as Marvel Super Heroes next year
One artist was given four Planeswalkers to recreate in a scene that rivals the games intent itself, as each player has a deck corresponding to each Planeswalker
Sample Decks : Velomachus Lorehold Commander, Vikya, Scorching Stalwart Commander
The Tarkir: Dragonstorm Commander cards are simply just not ready on Arena at the moment