In fact, many pieces of fast mana were controversially banned in Commander recently
And then beside discarding you can use stuff like Crucible of Worlds
I like this commander a lot, and based on previous Commander price trajectories, I think he could increase but it will likely be long-term
The counter-removing feature isn't often seen, but it could be an efficient way to deal with some annoying targets, such as planeswalkers, or other battles, or removing -1/-1 counters, or resetting your own Sagas
Homelands made Fallen Empires look like Arabian Nights , and time has proven Fallen Empires not to be all that bad
Then you can trigger his ability when he swings or give him a tap ability like Paradise Mantle or pinging with Viridian Longbow