This deck does not appear to be legal in Standard (Season from Sep 2021).
Problems: Not legal in this format: Hissing Quagmire, Lumbering Falls, Needle Spires, Shambling Vent, Wandering Fumarole, Aerial Volley, Alchemist's Gift, Caustic Caterpillar, Explosive Apparatus, Gnarlroot Trapper, Inventor's Apprentice, Star Pupil, Stoneforge Masterwork, Thornbow Archer, Titan's Strength, Triton Shorestalker, Altar's Reap, Avacyn's Judgment, Bloodrage Brawler, Celestial Flare, Coralhelm Guide, Dwynen's Elite, Earthen Arms, Elderfang Disciple, Elvish Visionary, Evolutionary Leap, Fetid Imp, Field Creeper, Grasp of the Hieromancer, Guardian Gladewalker, Harbinger of the Tides, Ilysian Caryatid, Infernal Scarring, Just the Wind, Knight of the White Orchid, Macabre Waltz, Merfolk Mistbinder, Murderous Compulsion, Nagging Thoughts, Ondu Rising, Open into Wonder, Pathmaker Initiate, Rabid Bite, Rogue's Gloves, Shadows of the Past, Sigil of Valor, Sigiled Skink, Smash to Smithereens, Soothsayer Adept, Sungrace Pegasus, True-Faith Censer, Wrangle, Act of Treason, Angel's Tomb, Artificer's Epiphany, Blessed Spirits, Blood-Cursed Knight, Butcher's Cleaver, Calculated Dismissal, Chief of the Foundry, Chronicler of Heroes, Demonic Embrace, Eerie Interlude, Eyeblight Assassin, Fiery Temper, Funeral Rites, Graveblade Marauder, Hydra's Growth, Ichthyomorphosis, Invigorating Surge, Invoke the Divine, Iroas's Champion, Iron Bully, Jungleborn Pioneer, Kytheon's Tactics, Make Mischief, Militant Inquisitor, Militia Bugler, Nantuko Husk, Nissa's Pilgrimage, Pia Nalaar, Scatter to the Winds, Seer of the Last Tomorrow, Shaman of the Pack, Sheer Drop, Stampede Rider, Thopter Engineer, Tomebound Lich, Uncaged Fury, War Horn, Warden of Evos Isle, Warden of the Chained, Watertrap Weaver, Ampryn Tactician, Aspiring Aeronaut, Avaricious Dragon, Blightcaster, Bone to Ash, Borderland Minotaur, Brawl-Bash Ogre, Dance with Devils, Dwynen, Gilt-Leaf Daen, Electrify, Enthralling Victor, Eyeblight Massacre, Hunter's Edge, Jade Guardian, Kitchen Imp, Languish, Llanowar Empath, Reclusive Artificer, Sarkhan's Unsealing, Seafloor Oracle, Suppression Bonds, Tempest Caller, Thopter Spy Network, Thunderclap Wyvern, Triumphant Surge, Trusty Retriever, Weight of the Underworld, Access Denied, Aven of Enduring Hope, Chandra's Fury, Experimental Aviator, Gilt-Leaf Winnower, Knightly Valor, Necromantic Summons, Patron of the Valiant, Priest of the Blood Rite, Salvager of Secrets, Sigil of the Empty Throne, Storm the Citadel, Tragic Arrogance, Twins of Maurer Estate, Unholy Hunger, Webweaver Changeling, Zendikar's Roil, Deep-Sea Terror, Devils' Playground, Primordial Wurm, Prodigious Growth, Skaab Goliath, Gideon's Phalanx, Mage-Ring Responder, Nissa's Revelation.