More importantly, it reads: If an opponent would mill one or more cards, they mill twice that many cards instead. This thing makes milling out opponents so easy its almost laughable
Champion is more rounded to begin with but evolves into a card that performs additional roles - that being card advantage
Goldberry, River-Daughter Goldberry, River-Daughter doesnt point you in any particular direction, but the open-endedness is half the fun
The Avatar: The Last Airbender deal is great, but it's not the only one available right now
Your commander is what's going to get you to close out games quickly, especially since it burns all of your opponents at once as opposed to just one
Collectors and many players want cards like Juzam Dijinn, Library of Alexandra and Black Lotus because of their history and significance