Its not a stretch to say modern Magic would look vastly different without fetch lands, making them a natural card to claim the top spot
On the other hand, Azorius as a color pair naturally gets a lot of commanders and some cards that synergize with the blink theme
Once the defense counters on the battle remaining are above an opponent's life total, at least in two-player games, and, barring some exceptions, there's not much reason to attack them, so you're getting less power than usual in closing out a game
Having Daring Thief in a deck that can repeatedly untap it and has easy access to tokens through Triplicate Spirits and Akroan Crusader also seems quite filthy
Damping Sphere limits Eldrazi decks by reducing their fast mana advantage and hinders Ruby Storm by increasing the cost of their spells
Then we get to what might be the sweetest slot of all, but also the most swingy