The unique fun is in doubling every payoff from death, turning attrition into a win condition
So what are your favorite cards that sport both colors
Assaultron Dominator Big Mother Mouser Celebr-8000 Chrome Dome Codsworth, Handy Helper Curie, Emergent Intelligence Depthshaker Titan Dragon Man, Reformed Robot ED-E, Lonesome Eyebot Emissary Escort H.E.R.B.I.E., Lovable Robot Jocasta, Automaton Avenger K-9, Mark I Krang, the All-Powerful Mendicant Core, Guidelight Mister Gutsy Omniclown Colossus Panther Robot Patrolling Peacemaker Pinnacle Emissary Ravenous Robots Repulsor Bots Rex, Cyber-Hound Roadkill Rodney Rose, Cutthroat Raider Rust Harvester Securitron Squadron Sentry Bot Super-Adaptoid Surge Conductor The Motherlode, Excavator The Vision Tri-Sentinel, Act of Vengeance Ultron, Machine Overlord Ultron, Unlimited Vision, Spectral Synthezoid Vision, Synthezoid Avenger Yes Man, Personal Securitron

If your commander has multiple triggered abilities, or a static ability and an activated ability with multiple conditions, that can just be overwhelming, and you wind up missing out on opportunities to do good stuff because theres just so many options
The Spike While Eye of Nidhogg can be used in a variety of MTG Commander decks, it used to be remarkably cheap
One of the ongoing discussions in R&D is who has the loudest voice