This isnt the worst ability in the world, but it still takes so much setup
The hard part is knowing which cards are worth listing on their own, what they should sell for, and how to ship a thin piece of cardboard (not trying to be disrespectful) so it arrives in one piece

Decklist: Jhoira, Weatherlight Captain in Commander Jhoira, Weatherlight Captain | Illustration by Brad Rigney Commander (1) Planeswalker (1) Creatures (22) Birgi, God of Storytelling Emry, Lurker of the Loch Enthusiastic Mechanaut Etherium Sculptor Foundry Inspector Glaring Fleshraker Herald of Kozilek Jhoira's Familiar Master Transmuter Memnite Myr Retriever Ornithopter Phyrexian Metamorph Phyrexian Walker Pinnacle Emissary Reckless Fireweaver Thassa's Oracle Thought Monitor Trinket Mage Urza, Lord High Artificer Vedalken Archmage Vivi Ornitier Instants (11) An Offer You Can't Refuse Chain of Vapor Counterspell Dramatic Reversal Filter Out Hurkyl's Recall Mystical Tutor Paradoxical Outcome Rebuild Retract Whir of Invention Sorceries (3) Gamble Reckless Handling Vandalblast Enchantment (1) Artifacts (26) Aetherflux Reservoir Arcane Signet Chrome Mox Claws of Gix Cloud Key Everflowing Chalice Fellwar Stone Helm of Awakening Isochron Scepter Izzet Signet Mind Stone Mishra's Bauble Mox Amber Mox Opal Mystic Forge Pyrite Spellbomb Sensei's Divining Top Sol Ring Soul-Guide Lantern Spellbook Talisman of Creativity Thought Vessel Tormod's Crypt Urza's Bauble Welding Jar Zuran Orb Lands (35) Academy Ruins Ancient Tomb Archway of Innovation City of Brass Command Tower Crystal Vein Fiery Islet Gemstone Caverns Inventors' Fair Island x9 Mountain x5 Otawara, Soaring City Reliquary Tower Riverglide Pathway Scalding Tarn Shivan Reef Spire of Industry Spirebluff Canal Steam Vents Stormcarved Coast Sulfur Falls Tolaria West Training Center This bracket 4+ EDH deck uses Jhoira, Weatherlight Captain as a combo engine to win by casting cheaper artifacts and drawing its deck

Shadowmoor is the first large expansion to be released in a month other than October since Ice Age's June 1995 release
Wizards of the Coast has designed four Magic: The Gathering Commander decks for the launch of Modern Horizons 3 , featuring Eldrazi and Energy themes