This deck does not appear to be legal in Standard (Season from Sep 2021).
Problems: You must not have more than 15 cards in your sideboard. · Not legal in this format: Affa Protector, Angelic Purge, Archangel Avacyn // Avacyn, the Purifier, Celestial Flare, Divine Verdict, Eagle of the Watch, Gideon's Reproach, Immolating Glare, Odric, Lunarch Marshal, Pacifism, Planar Outburst, Puncturing Light, Sandblast, Searing Light, Stasis Snare, Surge of Righteousness, Suspension Field, Swift Reckoning, Topan Freeblade, Topplegeist, Complete Disregard, Despise, Flaying Tendrils, Grasp of Darkness, Indulgent Aristocrat, Infinite Obliteration, Languish, Murderous Cut, Nightsnare, Pick the Brain, Relentless Dead, Ruinous Path, Shamble Back, Tar Snare, To the Slaughter, Transgress the Mind, Ultimate Price, Virulent Plague, Clip Wings, Deathmist Raptor, Embodiment of Insight, Intrepid Provisioner, Managorger Hydra, Oath of Nissa, Rabid Bite, Sylvan Advocate, Unnatural Aggression, Vessel of Nascency, Ayli, Eternal Pilgrim, Citadel Castellan, Sigarda, Heron's Grace, Utter End, Neglected Heirloom // Ashmouth Blade, Kytheon, Hero of Akros // Gideon, Battle-Forged, Elusive Tormentor // Insidious Mist, Orbs of Warding, Westvale Abbey // Ormendahl, Profane Prince, Canopy Vista, Forsaken Sanctuary, Fortified Village, Foul Orchard, Hissing Quagmire, Shambling Vent, Tranquil Expanse, Arlinn Kord // Arlinn, Embraced by the Moon, Boggart Brute, Cinder Hellion, Embodiment of Fury, Grove Rumbler, Insolent Neonate, Iroas's Champion, Makindi Sliderunner, Scourge Wolf, Ulrich's Kindred, Kytheon, Hero of Akros // Gideon, Battle-Forged, Soul Swallower, Gilt-Leaf Winnower, Kalitas, Traitor of Ghet, Liliana, Heretical Healer // Liliana, Defiant Necromancer, Malakir Familiar, Pharika's Disciple, Skeleton Key, Silverfur Partisan, Rancid Rats, Farbog Revenant, Blessed Spirits.