This absolutely hoses commanders, as it doesnt let your opponents return them to the command zone like other removal, because this isnt making it change zone
Arguably the best card draw effect that white has access to, Esper Sentinel does have the limitation of its white color identity and thus lacks the flexibility of colorless artifacts that fit into any deck but as long as your commander doesn't hate Plains, you can't go wrong with this studious Sentinel
Your cards all interact with one another very well, so Ill go through some rapid-fire interactions to be on the lookout for
There are more MTG streamers and YouTubers than you can shake a Beamtown Beatstick at, most of whom would jump at the chance to help design a card
Oh, and does this give anyone else Scooby-Doo and the Ghoul School vibes
The attack trigger is and always has been largely forgettable, but five artifacts for 7 mana is exactly what some decks want