One quick thing to clarify, as many people have been confused about it ever since Gluntch was revealed: you must choose three different players, but you can choose yourself for one of those three
Zell Dincht - Im not as deep on landfall things in my cube but I still am unsure how much that would move the needle in the increasingly strong 3-mana red beater category
But for your command zone, it's a hard pass
It can turn a modest board into lethal damage before you know it
Sphinx SovereignSphinx Sovereign (310 Inclusions, 0% of 111,060 Decks) Naturally, right after I say there're no corner cases this time, I find myself having to explain whether Sphinx SovereignSphinx Sovereign really meets the spirit of our criteria
Many of these hint at very cool worlds, such as ones with cyberpunk drones or worlds with starlight-powered reindeer that ride the Aurora Borealis