This deck does not appear to be legal in Standard (Season from Sep 2021).
Problems: Not legal in this format: Annihilating Fire, Arrest, Assassin's Strike, Auger Spree, Avenging Arrow, Call of the Conclave, Collective Blessing, Common Bond, Coursers' Accord, Detention Sphere, Dreadbore, Electrickery, Explosive Impact, Eyes in the Skies, Goblin Rally, Inaction Injunction, Jace, Architect of Thought, Martial Law, Mizzium Mortars, Rakdos's Return, Rites of Reaping, Selesnya Charm, Slime Molding, Stab Wound, Street Spasm, Teleportal, Thoughtflare, Trostani's Judgment, Ultimate Price, Underworld Connections, Death's Presence, Mana Bloom, Rakdos Charm, Simic Guildgate, Boros Charm, Boros Keyrune, Pit Fight, Zhur-Taa Swine, Gruul Ragebeast, Slaughterhorn, Greenside Watcher, Ivy Lane Denizen, Disciple of the Old Ways, Crocanura, Arrows of Justice, Wojek Halberdiers, Skyknight Legionnaire, Warmind Infantry, Skinbrand Goblin, Homing Lightning, Dinrova Horror, Consuming Aberration, Bane Alley Broker, Basilica Screecher, Smog Elemental, Syndicate Enforcer, Thrull Parasite, Undercity Informer, Vizkopa Guildmage, Orzhov Charm, Drakewing Krasis, Shambleshark, Keymaster Rogue, Cloudfin Raptor, Urbis Protector, Syndic of Tithes, Luminate Primordial, Debtor's Pulpit, Daring Skyjek, Aerial Maneuver, Assault Griffin, Basilica Guards, Angel of Serenity, Archon of the Triumvirate, Armada Wurm, Axebane Guardian, Azor's Elocutors, Azorius Arrester, Azorius Justiciar, Bloodfray Giant, Brushstrider, Centaur Healer, Centaur's Herald, Chaos Imps, Corpsejack Menace, Dead Reveler, Deadbridge Goliath, Deathrite Shaman, Drudge Beetle, Frostburn Weird, Golgari Decoy, Golgari Longlegs, Gore-House Chainwalker, Grim Roustabout, Hellhole Flailer, Hypersonic Dragon, Isperia's Skywatch, Izzet Staticaster, Jarad, Golgari Lich Lord, Korozda Guildmage, Korozda Monitor, Loxodon Smiter, Mercurial Chemister, New Prahv Guildmage, Nivix Guildmage, Palisade Giant, Rakdos Cackler, Rix Maadi Guildmage, Runewing, Sewer Shambler, Skyline Predator, Skymark Roc, Sluiceway Scorpion, Soulsworn Spirit, Spawn of Rix Maadi, Sphinx of the Chimes, Splatter Thug, Sunspire Griffin, Terrus Wurm, Thrill-Kill Assassin, Tower Drake, Towering Indrik, Trestle Troll, Vassal Soul, Vitu-Ghazi Guildmage, Voidwielder, Zanikev Locust, Izzet Keyrune, Azorius Keyrune, Golgari Keyrune, Rakdos Keyrune, Selesnya Keyrune, Slitherhead, Rakdos Ringleader, Izzet Guildgate, Golgari Guildgate, Azorius Guildgate, Selesnya Guildgate.