This deck does not appear to be legal in Standard (Season from Sep 2021).
Problems: You cannot play more than 4 of: Growth Spiral, Mystical Dispute, Uro, Titan of Nature's Wrath, Aether Gust, Shark Typhoon, Teferi, Time Raveler, Scavenging Ooze, Wilderness Reclamation, Nissa, Who Shakes the World, Negate, Expansion // Explosion, Shatter the Sky, Elspeth Conquers Death, Hydroid Krasis, Brazen Borrower // Petty Theft, Bonecrusher Giant // Stomp, Scorching Dragonfire, Nightpack Ambusher, Dovin's Veto, Witch's Oven, Stonecoil Serpent, Shifting Ceratops, Questing Beast, Pelt Collector, Noxious Grasp, Lovestruck Beast // Heart's Desire, Jolrael, Mwonvuli Recluse, Glass Casket, Cauldron Familiar. · Not legal in this format: Growth Spiral, Mystical Dispute, Uro, Titan of Nature's Wrath, Aether Gust, Shark Typhoon, Teferi, Time Raveler, Scavenging Ooze, Wilderness Reclamation, Nissa, Who Shakes the World, Expansion // Explosion, Shatter the Sky, Elspeth Conquers Death, Hydroid Krasis, Brazen Borrower // Petty Theft, Bonecrusher Giant // Stomp, Scorching Dragonfire, Nightpack Ambusher, Dovin's Veto, Witch's Oven, Stonecoil Serpent, Shifting Ceratops, Questing Beast, Pelt Collector, Noxious Grasp, Lovestruck Beast // Heart's Desire, Jolrael, Mwonvuli Recluse, Cauldron Familiar, Woe Strider, Ugin, the Spirit Dragon, Rotting Regisaur, Priest of Forgotten Gods, Narset, Parter of Veils, Mayhem Devil, Gemrazer, Eliminate, Elder Gargaroth, Claim the Firstborn, Agonizing Remorse, Teferi, Master of Time, Storm's Wrath, Robber of the Rich, Ram Through, Primal Might, Opt, Oakhame Adversary, Gutterbones, Embercleave, Devout Decree, Cultivate, Commence the Endgame, Barkhide Troll, Yorion, Sky Nomad, Wilt, Vivien, Arkbow Ranger, Village Rites, Thought Distortion, The Great Henge, Spectral Sailor, Serrated Scorpion, Scorch Spitter, Runaway Steam-Kin, Redcap Melee, Omen of the Sea, Lava Coil, Knight of the Ebon Legion, Heliod's Intervention, Gilded Goose, Flame Sweep, Fervent Champion, Extinction Event, Embereth Shieldbreaker // Battle Display, Dreadhorde Butcher, Cry of the Carnarium, Casualties of War, Call of the Death-Dweller, Arboreal Grazer, Anax, Hardened in the Forge, Yorvo, Lord of Garenbrig, Torbran, Thane of Red Fell, Tolsimir, Friend to Wolves, Tin Street Dodger, Sublime Epiphany, Solemn Simulacrum, Rankle, Master of Pranks, Narset's Reversal, Murderous Rider // Swift End, Midnight Reaper, Llanowar Visionary, Kraul Harpooner, Korvold, Fae-Cursed King, Jegantha, the Wellspring, Heartless Act, Grafdigger's Cage, Dream Trawler, Blacklance Paragon, Baneslayer Angel.