The game is set to be released everywhere on September 1, 2023, with a special early launch on August 18 for local game stores
In the future, I think Wizards should try really hard to avoid tying Commander decks to set-specific mechanics
When this Overlord enters the battlefield, you get to make a tapped Everywhere land that has each basic land type
Furthermore, Roxanne, Starfall Savant has a second ability that says, Whenever you tap an artifact token for mana, add one mana of any type that artifact token produced. Players may choose Roxanne, Starfall Savant as a commander for a Treasure-themed deck because its second ability triggers when activating a Treasure tokens mana ability
There are obviously ways for you to still lose after doing this, but its going to be difficult
It has a dead simple interface with tons of customization options and plenty of ways to use them