This deck does not appear to be legal in Standard (Season from Sep 2021).
Problems: You cannot play more than 4 of: Aether Gust, Bonecrusher Giant // Stomp, Brazen Borrower // Petty Theft, Disdainful Stroke, Edgewall Innkeeper, Foulmire Knight // Profane Insight, Gilded Goose, Hydroid Krasis, Legion's End, Lovestruck Beast // Heart's Desire, Murderous Rider // Swift End, Mystical Dispute, Nissa, Who Shakes the World, Noxious Grasp, Oko, Thief of Crowns, Once Upon a Time, Paradise Druid, Questing Beast, Teferi, Time Raveler, Veil of Summer, Vraska, Golgari Queen, Wicked Wolf. · Not legal in this format: Aether Gust, Arboreal Grazer, Ashiok, Dream Render, Blacklance Paragon, Bonecrusher Giant // Stomp, Brazen Borrower // Petty Theft, Brineborn Cutthroat, Casualties of War, Cauldron Familiar, Cavalier of Flame, Cavalier of Gales, Chandra, Acolyte of Flame, Chemister's Insight, Collision // Colossus, Davriel, Rogue Shadowmage, Deafening Clarion, Deputy of Detention, Devout Decree, Domri's Ambush, Drawn from Dreams, Drill Bit, Edgewall Innkeeper, Embercleave, Expansion // Explosion, Experimental Frenzy, Fae of Wishes // Granted, Faerie Guidemother // Gift of the Fae, Fervent Champion, Find // Finality, Fires of Invention, Flame Sweep, Flower // Flourish, Foulmire Knight // Profane Insight, Garruk, Cursed Huntsman, Giant Killer // Chop Down, Gilded Goose, Growth Spiral, Gruul Spellbreaker, Gutterbones, Hydroid Krasis, Knight of Autumn, Knight of the Ebon Legion, Kraul Harpooner, Lava Coil, Legion Warboss, Legion's End, Light Up the Stage, Lovestruck Beast // Heart's Desire, Maraleaf Pixie, Mass Manipulation, Massacre Girl, Mayhem Devil, Midnight Reaper, Murderous Rider // Swift End, Mystical Dispute, Narset, Parter of Veils, Nightpack Ambusher, Nissa, Who Shakes the World, Noxious Grasp, Oko, Thief of Crowns, Once Upon a Time, Opt, Order of Midnight // Alter Fate, Paradise Druid, Pelt Collector, Priest of Forgotten Gods, Quench, Questing Beast, Rankle, Master of Pranks, Redcap Melee, Rimrock Knight // Boulder Rush, Robber of the Rich, Rotting Regisaur, Sarkhan the Masterless, Scorch Spitter, Shifting Ceratops, Skarrgan Hellkite, Spawn of Mayhem, Tamiyo, Collector of Tales, Teferi, Time Raveler, The Royal Scions, Thought Erasure, Tolsimir, Friend to Wolves, Torbran, Thane of Red Fell, Veil of Summer, Venerated Loxodon, Vivien, Arkbow Ranger, Voracious Hydra, Vraska, Golgari Queen, Wicked Wolf, Wilderness Reclamation, Witch's Oven, Zhur-Taa Goblin.