Most expert builders recommend running 8 to 12 Basic Pokemon to ensure a smooth, consistent start in every single game
Plus, you can cast it later when you draw it again, which is just value on top of value
Thats why its been a classic sideboard threat in formats like Modern and Legacy for years, and its why getting Blood Mooned is basically shorthand for being locked out of casting your spells
Its not a leaves-the-battlefield trigger, so you can bounce it back to your hand, where it will exist as its front face again (see Rule 712 for all the hairy details on DFCs)
The more times this Azorius commander enters the battlefield, the more Shard tokens it creates, which can then be used to become copies of non-legendary creatures with strong ETBs like Solitude or Skyclave Apparition at the end of the turn
The actual enchantment wouldn't be exciting on its own, but bundling it up with an efficient removal spell certainly makes it more palatable to include a seven-mana enchantment in your deck