Reading this, it’s clear that you’re much more familiar with the series than I am and probably know what is found in “good” Mario games better than I do. But I really enjoyed Super Mario Galaxy on the original Wii when it came out, I was maybe 11 or 12 and sunk tons of hours into it and have been getting the itch to replay it since I have All Stars on my switch.
I’ve also heard nothing but good things about Odyssey (still haven’t played it despite owning the game)