This deck does not appear to be legal in Standard (Season from Sep 2021).
Problems: Not legal in this format: Ajani Unyielding, Tezzeret the Schemer, Ajani, Valiant Protector, Tezzeret, Master of Metal, Renegade Rallier, Tezzeret's Touch, Winding Constrictor, Renegade Wheelsmith, Dark Intimations, Weldfast Engineer, Outland Boar, Oath of Ajani, Tezzeret's Betrayal, Spire Patrol, Rogue Refiner, Ajani's Aid, Hidden Stockpile, Maverick Thopterist, Spire of Industry, Tranquil Expanse, Submerged Boneyard, Consulate Dreadnought, Irontread Crusher, Scrap Trawler, Daredevil Dragster, Augmenting Automaton, Aegis Automaton, Welder Automaton, Verdant Automaton, Watchful Automaton, Walking Ballista, Mobile Garrison, Lifecrafter's Bestiary, Servo Schematic, Reservoir Walker, Merchant's Dockhand, Peacewalker Colossus, Prizefighter Construct, Crackdown Construct, Gonti's Aether Heart, Heart of Kiran, Treasure Keeper, Barricade Breaker, Universal Solvent, Cogwork Assembler, Foundry Assembler, Hope of Ghirapur, Inspiring Statuary, Untethered Express, Night Market Guard, Implement of Combustion, Implement of Ferocity, Implement of Examination, Implement of Malice, Implement of Improvement, Renegade Map, Pacification Array, Metallic Mimic, Paradox Engine, Ornithopter, Pendulum of Patterns, Planar Bridge, Aethersphere Harvester, Filigree Crawler, Tezzeret's Simulacrum, Consulate Turret, Night Market Aeronaut, Foundry Hornet, Battle at the Bridge, Daring Demolition, Defiant Salvager, Fatal Push, Aether Poisoner, Alley Strangler, Gifted Aetherborn, Cruel Finality, Perilous Predicament, Herald of Anguish, Renegade's Getaway, Glint-Sleeve Siphoner, Gonti's Machinations, Yahenni's Expertise, Fen Hauler, Vengeful Rebel, Secret Salvage, Resourceful Return, Sly Requisitioner, Ironclad Revolutionary, Fourth Bridge Prowler, Midnight Entourage, Yahenni, Undying Partisan, Leave in the Dust, Take into Custody, Aethertide Whale, Baral, Chief of Compliance, Metallic Rebuke, Ice Over, Efficient Construction, Salvage Scuttler, Hinterland Drake, Dispersal Technician, Quicksmith Spy, Illusionist's Stratagem, Disallow, Reverse Engineer, Bastion Inventor, Wind-Kin Raiders, Shielded Aether Thief, Trophy Mage, Shipwreck Moray, Baral's Expertise, Mechanized Production, Skyship Plunderer, Aether Swooper, Whir of Invention, Peema Aether-Seer, Scrounging Bandar, Lifecraft Cavalry, Ajani's Comrade, Prey Upon, Ridgescale Tusker, Unbridled Growth, Lifecraft Awakening, Greenbelt Rampager, Lifecrafter's Gift, Druid of the Cowl, Silkweaver Elite, Monstrous Onslaught, Highspire Infusion, Hidden Herbalists, Heroic Intervention, Aetherstream Leopard, Greenwheel Liberator, Natural Obsolescence, Aether Herder, Rishkar's Expertise, Aetherwind Basker, Aid from the Cowl, Narnam Renegade, Maulfist Revolutionary, Rishkar, Peema Renegade, Lightning Runner, Wrangle, Embraal Gear-Smasher, Scrapper Champion, Indomitable Creativity, Invigorated Rampage, Lathnu Sailback, Enraged Giant, Precise Strike, Gremlin Infestation, Ravenous Intruder, Kari Zev, Skyship Raider, Hungry Flames, Destructive Tampering, Siege Modification, Sweatworks Brawler, Kari Zev's Expertise, Aether Chaser, Reckless Racer, Frontline Rebel, Quicksmith Rebel, Freejam Regent, Chandra's Revolution, Pia's Revolution, Release the Gremlins, Airdrop Aeronauts, Dawnfeather Eagle, Aeronaut Admiral, Exquisite Archangel, Deadeye Harpooner, Thopter Arrest, Conviction, Decommission, Caught in the Brights, Bastion Enforcer, Restoration Specialist, Felidar Guardian, Ghirapur Osprey, Alley Evasion, Audacious Infiltrator, Aether Inspector, Call for Unity, Aethergeode Miner, Aerial Modification, Consulate Crackdown, Sram's Expertise, Solemn Recruit, Deft Dismissal, Countless Gears Renegade, Inspiring Roar, Sram, Senior Edificer.