Well, its on here because Crucible is an amazing Magic card, and this just happens to be better
In terms of Modern, Cavern of Souls sees play in Elementals, Eldrazi Tron, Humans, and Spirits
Even CongregateCongregate might be enough if an opponent has gone wild with token creation
Tectonic Edge Tectonic Edge was considered a fixed Wasteland for some time in formats like Modern, until better hate options appeared
And two key things are you can play both and Stock Up is so strong I was surprised it was not banned
And while Revised Edition came out in 1994, I had already built my deck by then, starting as soon as the cards hit shelves in the comic book store that I basically lived in during those early high school years