This deck does not appear to be legal in Standard (Season from Sep 2021).
Problems: Not legal in this format: Bad River, Ghost Town, Mogg Hollows, Rootwater Depths, Urza's Power Plant, Vec Townships, Abjure, Aftershock, Alms, Angelic Renewal, Apathy, Betrothed of Fire, Broken Fall, Bubble Matrix, Change of Heart, Chill, Circle of Protection: Black, Circle of Protection: Blue, Circle of Protection: Green, Circle of Protection: Red, Circle of Protection: Shadow, Circle of Protection: White, Coercion, Counterspell, Dark Ritual, Deadshot, Death Pits of Rath, Death Ward, Desperate Gambit, Downdraft, Dream Cache, Errantry, Familiar Ground, Fatal Blow, Feast of the Unicorn, Fire Whip, Firestorm, Flashfires, Flickering Ward, Flowstone Blade, Frog Tongue, Giant Strength, Goblin Bombardment, Goblin Kites, Goblin War Drums, Guided Strike, Haunting Misery, Heart of Bogardan, Helm of Awakening, Humility, Invasion Plans, Jinx, Lava Storm, Legacy's Allure, Light of Day, Mana Chains, Mana Flare, Mind Ravel, Mogg Cannon, Natural Spring, Nature's Kiss, Pestilence, Propaganda, Provoke, Puppet Strings, Raise Dead, Rampant Growth, Reality Anchor, Regeneration, Respite, Rolling Thunder, Serene Offering, Shadowstorm, Shatter, Shimmering Wings, Shrink, Sisay's Ring, Spinal Graft, Spinning Darkness, Spitting Earth, Spontaneous Combustion, Steal Enchantment, Stone Rain, Teferi's Curse, Tendrils of Despair, Tooth and Claw, Torment, Tortured Existence, Unstable Mutation, Volcanic Hammer, Advance Scout, Ambush Party, Anaba Shaman, Ardent Militia, Armor Sliver, Armor Thrull, Armored Pegasus, Benalish Infantry, Benalish Knight, Benthic Djinn, Bogardan Firefiend, Breezekeeper, Canopy Spider, Cemetery Gate, Chaotic Goo, Charging Rhino, Cinder Wall, Clergy en-Vec, Clockwork Gnomes, Clot Sliver, Cloud Djinn, Coiled Tinviper, Craven Giant, Crazed Armodon, Crystalline Sliver, Dark Maze, Dauthi Horror, Dauthi Marauder, Dauthi Mercenary, Dauthi Slayer, Enraging Licid, Firefly, Fireslinger, Flowstone Hellion, Fog Elemental, Foriysian Brigade, Fugitive Druid, Furnace Spirit, Giant Albatross, Giant Caterpillar, Goblins of the Flarg, Hammerhead Shark, Heart Sliver, Horned Sliver, Horned Turtle, Hungry Mist, Hurloon Shaman, Keldon Warlord, Kezzerdrix, Lightning Elemental, Llanowar Behemoth, Llanowar Sentinel, Lowland Basilisk, Manakin, Manta Ray, Manta Riders, Marsh Lurker, Merfolk Traders, Mesa Pegasus, Metallic Sliver, Mischievous Poltergeist, Mistfolk, Mogg Conscripts, Mogg Fanatic, Mogg Raider, Murk Dwellers, Muscle Sliver, Odylic Wraith, Ophidian, Orcish Settlers, Patchwork Gnomes, Phyrexian Walker, Pincher Beetles, Python, Ranger en-Vec, Razortooth Rats, Redwood Treefolk, Revered Unicorn, Rogue Elephant, Rootwater Diver, Rootwater Hunter, Roterothopter, Sage Owl, Sandstone Warrior, Sawtooth Ogre, Scragnoth, Seeker of Skybreak, Segmented Wurm, Servant of Volrath, Shadow Rider, Shanodin Dryads, Skyshroud Elf, Skyshroud Troopers, Skyshroud Vampire, Soltari Guerrillas, Soltari Lancer, Soltari Monk, Soltari Trooper, Soul Shepherd, Spike Drone, Striped Bears, Talon Sliver, Tidal Warrior, Tolarian Drake, Tor Giant, Trained Armodon, Venerable Monk, Vodalian Illusionist, Wall of Diffusion, Wall of Shadows, Wall of Tears, Watchdog, Wind Drake, Winged Sliver, Witch Hunter, Zebra Unicorn, Zombie Mob.