In addition to the four scene boxes, Wizards of the Coast will also be rolling out new Special Edition Collector Boosters for Tales of Middle-Earth around the same time, which will potentially include any of twenty cards from the original set in a brand new 60s rock poster art style as well as rare serialized versions of these cards numbered up through 100
So consequently, Wizards of the Coast reduced the amount of oversized commanders in a precon to just one the face card and let the idea percolate a bit more
The importance of this change should not be underestimated
A whole esports scene to qualify for in-game
While all Isshin decks want to attack, this is another commander that you can build in a few ways, as there are loads of strong creature cards to choose from, and plenty of room for building up subthemes
While Oko has synergy with the deck, both in terms of having a lot of low-impact cards to upgrade to 3/3s and creating artifacts that become Mox Sapphire when Urzas on the battlefield, Urza strategies are extremely high-synergy and generally not looking to attack with 3/3s as a meaningful part of their gameplan