If there were any lands that were also artifacts before the abilitys effect applied to them, those lands would become artifact land creatures, not just "creatures," or land creatures. The effect allows them to retain both the card type artifact" and the card type land. In addition, each land affected by the ability retains any land types and supertypes it had before the ability took effect
Of course, heavy use of auras can easily be the build for any of these commanders, and theres some overlap on the lists, but I look toward some broader build options here
While you will still get the occasional customer that might get in the way, you won't need to grab new boxes as often, since your staff members will keep your shelf nice and full
"Magic: The Gathering's Strixhaven setting comes to D&D in a new campaign book"
The first thing youll notice when you pick up some new Battle for Zendikar cards is the artwork