#3 Crystal Skull, Isu Spyglass Crystal Skull, Isu Spyglass is an amazing artifact for any Commander decks that have a lot of Historic permanents
I also like this in Azorius Flyers with evasive aggro beaters like Judge's Familiar that you can now win with in one hit unlike the beefier Green stuff which is a faster kill
While some are certainly better than others, art by Dominik Mayer never, ever misses
7 Lord Windgrace Playing with a Planeswalker as your commander still feels a bit rebellious, but Lord Windgrace is one of those that allow it
The amount of mana it generates, combined with being a win condition on its own, is just massive for a Modern card
A stax deck with a raw soft score of 28 (Bracket 2 territory) gets modified to 32, pushing it into Bracket 3