They are a variant of the partner ability, and the commander needs to have the choose a background ability in order to put a background in the command zone
you'll look at six, finish resolving the ability, and then repeat the process twice more as the other instances of the ability resolve
Orfeo, the Boulder Nimble Larcenist Obscura Ascendancy Obscura Charm Obscura Interceptor Ognis, the Dragon's Lash Queza, Augur of Agonies Raffine, Scheming Seer Rakish Revelers Rigo, Streetwise Mentor Riveteers Ascendancy Riveteers Charm Rocco, Cabaretti Caterer Shattered Seraph Soul of Emancipation Spara's Adjudicators Toluz, Clever Conductor Unleash the Inferno Void Rend Ziatora, the Incinerator Ziatora's Envoy Aven Heartstabber Black Market Tycoon Corpse Explosion Meeting of the Five Park Heights Pegasus Ob Nixilis, the Adversary Scheming Fence ARTIFACT Getaway Car Luxior, Giada's Gift Unlicensed Hearse LAND Plains Plains Island Island Swamp Swamp Mountain Mountain Forest Forest Jetmir's Garden Raffine's Tower Spara's Headquarters Xander's Lounge Ziatora's Proving Ground Botanical Plaza Jetmir's Garden Racers' Ring Raffine's Tower Skybridge Towers Spara's Headquarters Tramway Station Waterfront District Xander's Lounge Ziatora's Proving Ground WHITE | BLUE | BLACK | RED | GREEN MULTICOLORED | ARTIFACT | LAND | ALL CARDS
Yeah, you just might be correct on that
Karrthus works similarly with Sarkhan the Mads second ability, which forces someone to sacrifice a creature but gives them a 5/5 as compensation
