Creature-based counters like this have been beloved at the kitchen table ever since Mystic Snake was printed way back in Apocalypse
Worryingly, $800 for a playset of Mox Opal seems like a real possibility at this point
This isn't an Atraxa-level threat that'll put you way ahead of your opponents, not in Commander at least, but clearing the three best creatures off the board for the price of an Animate Dead is certainly a good enough deal
""Magic: The Gathering -- FINAL FANTASY" will be holding a Japan-only campaign on June 6th where players can receive three types of promo cards"
For example, I recently built a version of Aang, at the Crossroads, where the entire game plan was to resolve it and then copy it repeatedly to keep retriggering its ETB ability
The game has been building a massive community of players that looks set to keep growing thanks to a new international release schedule