This deck does not appear to be legal in Standard (Season from Sep 2021).
Problemas: Not legal in this format: Aetherworks Marvel, Arlinn Kord // Arlinn, Embraced by the Moon, Behold the Beyond, Chandra, Flamecaller, Chandra, Pyrogenius, Chandra, Torch of Defiance, Clone Legion, Crush of Tentacles, Demonic Pact, Dovin Baan, Gideon, Ally of Zendikar, Jace, Unraveler of Secrets, Kiora, Master of the Depths, Kozilek's Return, Liliana, the Last Hope, Metallurgic Summonings, Mind's Dilation, Nahiri's Wrath, Nahiri, the Harbinger, Nissa, Nature's Artisan, Nissa, Vital Force, Nissa, Voice of Zendikar, Ob Nixilis Reignited, Part the Waterveil, Quarantine Field, Saheeli Rai, Seasons Past, Skysovereign, Consul Flagship, Sorin, Grim Nemesis, Startled Awake // Persistent Nightmare, Tamiyo, Field Researcher, The Great Aurora, Angel of Invention, Archangel Avacyn // Avacyn, the Purifier, Bruna, the Fading Light, Cataclysmic Gearhulk, Combustible Gearhulk, Decimator of the Provinces, Demon of Dark Schemes, Dragonmaster Outcast, Drana, Liberator of Malakir, Emrakul, the Promised End, General Tazri, Geralf's Masterpiece, Gisa and Geralf, Gisela, the Broken Blade, Goldnight Castigator, Greenwarden of Murasa, Grim Flayer, Inverter of Truth, Ishkanah, Grafwidow, Kalitas, Traitor of Ghet, Kozilek, the Great Distortion, Linvala, the Preserver, Mindwrack Demon, Mirrorwing Dragon, Noxious Gearhulk, Oblivion Sower, Olivia, Mobilized for War, Omnath, Locus of Rage, Startled Awake // Persistent Nightmare, Rashmi, Eternities Crafter, Relentless Dead, Sigarda, Heron's Grace, Sire of Stagnation, Sphinx of the Final Word, The Gitrog Monster, Torrential Gearhulk, Tree of Perdition, Ulamog, the Ceaseless Hunger, Ulrich of the Krallenhorde // Ulrich, Uncontested Alpha, Ulrich of the Krallenhorde // Ulrich, Uncontested Alpha, Ulvenwald Hydra, Undergrowth Champion, Verdurous Gearhulk, Void Winnower, Wolf of Devil's Breach, World Breaker.