Swat lets you change all of the targets of a spell not just one making it the best way to interact on the stack outside of conditional answers like Pyroblast
Isshin is definitely one of the most popular Mardu commanders and one that got the most hype in NEO
Budget Deck Lists Finally we get to the part everyone scrolls down to: the budget deck lists

Colorless Adaptive Automaton Gilded Lotus Maze's End Expedition Map Hedron Archive Swiftfoot Boots Basilisk Collar Cultivator's Caravan Darksteel Colossus Mazemind Tome Pyromancer's Goggles Ramos, Dragon Engine Steel Hellkite Crawling Barrens Temple of Abandon Temple of Deceit Temple of Enlightenment Temple of Epiphany Temple of Malady Temple of Malice Temple of Mystery Temple of Plenty Temple of Silence Temple of Triumph Ravenous Amulet Burnished Hart Heraldic Banner Meteor Golem 2 Bloodfell Caves 2 Blossoming Sands 2 Dismal Backwater 2 Evolving Wilds 2 Jungle Hollow Rogue's Passage 2 Rugged Highlands 2 Scoured Barrens 2 Swiftwater Cliffs 2 Thornwood Falls 2 Tranquil Cove 2 Wind-Scarred Crag Diamond Mare Feldon's Cane Fireshrieker Gate Colossus Sorcerous Spyglass Soul-Guide Lantern Three Tree Mascot Azorius Guildgate Boros Guildgate Cryptic Caves Demolition Field Dimir Guildgate Golgari Guildgate Gruul Guildgate Izzet Guildgate Orzhov Guildgate Rakdos Guildgate Selesnya Guildgate Simic Guildgate Arcane Signet Sol Ring Command Tower Sol Ring, Arcane Signet, and Command Tower are in traditional foil and have the FDC set code

Who x Magic: The Gathering sets, this is a product of the Universes Beyond line of crossover collaborations
Then, Mishras trigger resolves, and you search your library for the very artifact you just cast and put it onto the battlefield