WotC pulled off some cool things like MDFCs that can transform from one side to another, borderless saga cards that read like comic book pages, and cards that are fun to say as you play them, like Whoosh
Many of the mechanical warts of the game are still there and compared to modern CCGs, MTG certainly shows its age
Late game you will probably have fewer creatures, unless all players at the table decide not to play removal
The plane has a strong mechanical tie to enchantments, which is flavored as the influence of the gods
Most tournaments use Standard- or Modern-legal sets , so most competitive events disregard the reserved list
That said, there is a collection of cards that you cant play despite Commanders massive catalog of cards