If you cycle it enough times, you can play it for free
Every elf deck, goblin deck, and tribal list in Commander is looking at this card
That said, the mechanic does have a heart to it
Gallery and List of Exhaust Cards Afterburner Expert Audacious Knuckleblade Bitter Work Boommobile Boom Scholar Camera Launcher Draconautics Engineer Elvish Refueler Greasewrench Goblin Greenbelt Guardian Hazard of the Dunes Hog-Monkey Invasion Submersible Jeong Jeong, the Deserter Keen Buccaneer Loot, the Pathfinder Mai, Jaded Edge Marshals' Pathcruiser Mindspring Merfolk Pacesetter Paragon Peema Trailblazer Prowcatcher Specialist Rangers' Refueler Rebellious Captives Redshift, Rocketeer Chief Riverchurn Monument Rocketeer Boostbuggy Rough Rhino Cavalry Sabotage Strategist Sita Varma, Masked Racer Skyserpent Seeker Skystreak Engineer Spire Mechcycle Squadron Carrier Stampeding Scurryfoot Stoic Star-Captain The Legend of Kuruk Trackhand Trainer Winter, Cursed Rider Best Exhaust Cards #10
The Eleventh Doctor is solid, but the activated ability doesnt work with Rose for long, and losing out on red felt detrimental
