Firmly planted in the reserve list, all of the original Moxen are valuable
These essentially act like recur-able cycling lands that you can use to fix your mana early on if you need to
it just spreads the reprints over a larger pool of cards, which means Modern staples in general will decrease in price more slowly because they aren't being reprinted quite as often, with more Legacy, Commander, and perhaps eventually Pauper staples picking up the slack), it does make the current pace of reprintings viable for a bit longer, which buys Wizards some time to figure out what its next move will be in terms of creating more equity (with this week's announcement bridging the gap to the Modern 2.0 / Fronter-like format that is rumored to be coming with Magic Arena in a few years)
It's heavily played in Token, Aggro, Blink, Goblin, and more brews
I do value the mana highly, and I have this above Arcane Denial, which I think is better than every other two-mana counterspell, two is just too much mana for a counterspell for most decks
P/T Set Number 364 Language Legal Formats Alchemy, Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pioneer, Standard, Timeless, Vintage Rulings (6/6/2025) Saga creatures have two sections to their text boxes