yeah. scrolling this expansion list, you can see 2018 was really the last _block_ as we knew them: few sets labeled under a theme an author might write a book about

also shortly after we see new sets stopped getting their own wiki articles

https://en.wikipedia.org/wiki/List_of_Magic:_The_Gathering_s...

https://en.wikipedia.org/wiki/List_of_Magic:_The_Gathering_n...