Matzalantli, the Great Door/The Core A lot of mana Finally, weve got Matzalantli, the Great Door - but only sort of
This may be due to the fact that uncommon legends have only really become a thing in the last few years, but when compared to the earlier iterations they had more entries from more than five years ago than I can see in Multiverse Legends
For Modern and Pioneer, they remain the backbone of competitive manabases
Personally, I believe most decks will prefer Natural Order but this card is not strictly worse, as it has a few applications that Natural Order can't do
Against a control deck, you might have a way to cast it with a Mage-Ring Network, ensuring you have tons of mana to protect it but you also might just cast it for eight when they have six tapped mana, knowing you could stop a Heros Downfall
This is exactly the view you get in a Fallout game, and we could have had someone swapping from small knife to slinging a MIRV Fat Man