He's tough to break because of his fair costed and tap ability, but Roon is one of the best Bant commanders whether you're talking about power level or just plan fun
Alakazam 33/165)
In a surprising twist, Umbreon (of Moonbreon and Sunbreon fame) actually is worth quite a bit less than its Psychic-type sibling

Academy Manufactor Agent 13, Sharon Carter Air Nomad Legacy Alquist Proft, Master Sleuth Angelic Sleuth Antique Collector April O'Neil, Live on the Scene Armed with Proof Astrid Peth Auspicious Arrival Azula, On the Hunt Ballroom Bearer of Overwhelming Truths Billiard Room Blink Briarbridge Patrol Briarbridge Tracker Bygone Bishop Byway Courier Callous Inspector Carnage Interpreter Case of the Filched Falcon Case of the Pilfered Proof Chalk Outline Cold Case Cracker Confirm Suspicions Confront the Unknown Conservatory Cunning Maneuver Curious Cadaver Curious Inquiry Daring Sleuth Declaration in Stone Deduce Dennick, Pious Apparition Detective's Satchel Dining Room Disorder in the Court Drag the Canal Drownyard Explorers Eliminate the Impossible Eloise, Nephalia Sleuth Ethereal Investigator Evidence Examiner Expose Evil Ezrim, Agency Chief Fae Offering Fateful Absence Fire Nation Raider Fire Nation Warship Five Hundred Year Diary Fleeting Memories Floodhound Flotsam // Jetsam Flotsam // Jetsam Follow the Bodies Forecasting Fortune Teller Forensic Gadgeteer Foul Play Funnel-Web Recluse Gleaming Geardrake Gone Missing Graf Mole Guess Your Fate Guess Your Fate Guess Your Fate Guess Your Fate Hall Hard Evidence Hold for Questioning Homicide Investigator Hostile Investigator

The idea that its bad to try too hard at Commander or that its somehow more noble or fun to play jank is understandable, but misguided
The card could rise in value depending on what kind of Instants and Sorceries are printed in future sets so its one to keep an eye out for