Its only issue is that three-color identity here for Commander, but if you are running them, why not run it too
(CTRL to add secondary) Token Generator Speaker of the Heavens Vigilance, lifelink (Attacking doesn't cause this creature to tap
This is a pretty blatant way to balloon the impact on Commander EoE might have, but ultimately the format rarely raises more than a few options to a level of popularity where you'll see it multiple times per night
Desert of the Indomitable This is similar to cycling lands like Tranquil Thicket and Slippery Karst, but it has the added subtype desert. Theres no real drawback to this, and it can be essential upside for Hazezon, Shaper of Sand and Yuma, Proud Protector
Even Bomat Courier is probably sufficiently more powerful to consider as an extra early drop although it is in a bit of a different role and is far less on theme