This deck does not appear to be legal in Standard (Season from Sep 2021).
Problems: Not legal in this format: Act of Treason, Aerial Volley, Ampryn Tactician, Angel's Tomb, Angelic Purge, Anvilwrought Raptor, Approach of the Second Sun, Aquatic Incursion, Artificer's Epiphany, Aspiring Aeronaut, Avaricious Dragon, Aven of Enduring Hope, Blazing Hellhound, Blessed Spirits, Blightcaster, Blood-Cursed Knight, Bone to Ash, Borderland Minotaur, Broken Concentration, Butcher's Cleaver, Certain Death, Chandra's Fury, Chief of the Foundry, Chronicler of Heroes, Colossal Dreadmaw, Dance with Devils, Deep-Sea Terror, Devils' Playground, Displace, Dread Rider, Dwynen, Gilt-Leaf Daen, Earthen Arms, Elderfang Disciple, Electrify, Elusive Tormentor // Insidious Mist, Elvish Visionary, Enthralling Victor, Evolutionary Leap, Experimental Aviator, Eyeblight Assassin, Eyeblight Massacre, Fetid Imp, Fiery Temper, Fleshbag Marauder, Garruk's Uprising, Ghirapur Gearcrafter, Gilt-Leaf Winnower, Gnarlroot Trapper, Goblin Dark-Dwellers, Grasp of the Hieromancer, Graveblade Marauder, Guardian Gladewalker, Hissing Quagmire, Hixus, Prison Warden, Hunt the Weak, Hydra's Growth, Ichthyomorphosis, Ilysian Caryatid, Infernal Scarring, Inspiring Roar, Interpret the Signs, Inventor's Apprentice, Invigorating Surge, Iroas's Champion, Iron Bully, Jade Guardian, Jungleborn Pioneer, Just the Wind, Kari Zev, Skyship Raider, Knight of the Tusk, Llanowar Empath, Loyal Pegasus, Lumbering Falls, Macabre Waltz, Make Mischief, Manalith, Marauder's Axe, Merfolk Mistbinder, Militia Bugler, Murderous Compulsion, Nagging Thoughts, Nantuko Husk, Natural End, Needle Spires, Outflank, Pathmaker Initiate, Patron of the Valiant, Pounce, Priest of the Blood Rite, Prodigious Growth, Prowling Serpopard, Quicksmith Rebel, Quicksmith Spy, Rally of Wings, Read the Bones, Reclusive Artificer, River Sneak, Rogue's Gloves, Salvager of Secrets, Scatter to the Winds, Seafloor Oracle, Sedge Scorpion, Seer of the Last Tomorrow, Shadows of the Past, Shaman of the Pack, Shambling Vent, Sheer Drop, Sigil of Valor, Sigil of the Empty Throne, Sigiled Skink, Skyscanner, Skysnare Spider, Smash to Smithereens, Soothsayer Adept, Soulblade Djinn, Stampede Rider, Star Pupil, Stoneforge Masterwork, Storm the Citadel, Sungrace Pegasus, Suppression Bonds, Thopter Engineer, Thornbow Archer, Thunderclap Wyvern, Titan's Strength, Tomebound Lich, Tragic Arrogance, Triton Shorestalker, True-Faith Censer, Trusty Retriever, Twins of Maurer Estate, Uncaged Fury, Village Rites, Wandering Fumarole, War Horn, Warden of Evos Isle, Warden of the Chained, Watertrap Weaver, Webweaver Changeling, Weight of the Underworld, Welcome to the Fold, Wispweaver Angel, Wrangle.