Aetherdrift played into a lot of the criticisms of last year's sets where the set seemed more about focusing on specific tropes than bringing a world to life
It can't be the target of Tenacious Tomeseeker's triggered ability ("return target instant or sorcery card from your graveyard to your hand")
Right now, combing through Magic Online decklists, I see a ton of people playing Search for Azcanta, but thats just one of many important lands that you need to be able to interact with
One mana to draw a card every turn is substantial, even if its not something you can run out on turn 1
I personally play a copy in my Purphoros, God of the Forge deck, and Ive never been disappointed to use it
You can find other recent Commander set reviews here: Our Commander Set Review focuses only on the new cards, and not the reprints