This deck does not appear to be legal in Standard (Season from Sep 2021).
Problems: You cannot play more than 4 of: Canopy Vista, Evolving Wilds, Duskwatch Recruiter // Krallenhorde Howler, Reflector Mage, Collected Company, Dromoka's Command, Fortified Village, Westvale Abbey // Ormendahl, Profane Prince, Archangel Avacyn // Avacyn, the Purifier, Sylvan Advocate, Gideon, Ally of Zendikar, Declaration in Stone, Llanowar Wastes, Yavimaya Coast, Caves of Koilos, Hissing Quagmire, Shambling Vent, Nissa, Vastwood Seer // Nissa, Sage Animist, Transgress the Mind, Rending Volley, Needle Spires. · Not legal in this format: Canopy Vista, Prairie Stream, Duskwatch Recruiter // Krallenhorde Howler, Reflector Mage, Tireless Tracker, Collected Company, Dromoka's Command, Fortified Village, Westvale Abbey // Ormendahl, Profane Prince, Archangel Avacyn // Avacyn, the Purifier, Hangarback Walker, Sylvan Advocate, Dromoka's Command, Gideon, Ally of Zendikar, Nissa, Voice of Zendikar, Declaration in Stone, Tragic Arrogance, Knight of the White Orchid, Thalia's Lieutenant, Thraben Inspector, Always Watching, Declaration in Stone, Gryff's Boon, World Breaker, Nissa's Pilgrimage, Duskwatch Recruiter // Krallenhorde Howler, Thought-Knot Seer, Westvale Abbey // Ormendahl, Profane Prince, Duskwatch Recruiter // Krallenhorde Howler, Eldrazi Displacer, Elvish Visionary, Reflector Mage, Collected Company, Cryptolith Rite, Canopy Vista, Hissing Quagmire, Shambling Vent, Nissa, Vastwood Seer // Nissa, Sage Animist, Sylvan Advocate, Hallowed Moonlight, Transgress the Mind, Abbot of Keral Keep, Zurgo Bellstriker, Rending Volley, Shambling Vent, Westvale Abbey // Ormendahl, Profane Prince, Anguished Unmaking, Declaration in Stone, Gideon, Ally of Zendikar, Ultimate Price, Hissing Quagmire, Dragonlord Silumgar, Kalitas, Traitor of Ghet, Nissa, Vastwood Seer // Nissa, Sage Animist, Sylvan Advocate, Grasp of Darkness, Languish, Ruinous Path, Traverse the Ulvenwald, Canopy Vista, Cinder Glade, Fortified Village, Needle Spires, Archangel Avacyn // Avacyn, the Purifier, Nissa, Vastwood Seer // Nissa, Sage Animist, Sylvan Advocate, Clip Wings, Radiant Flames, Foreboding Ruins, Smoldering Marsh, Infinite Obliteration, Rending Volley, Transgress the Mind, Foundry of the Consuls, Needle Spires, Pia and Kiran Nalaar, Thopter Engineer, Nahiri, the Harbinger.