Xorn Combos
Malcolm, Keen-Eyed Navigator + Kumano, Master Yamabushi + Xorn
Xorn + Black Market Tycoon + Umbral Mantle
Undercity Scrounger + Pemmin's Aura + Xorn
Undercity Scrounger + Freed from the Real + Xorn
Twinflame + Storm-Kiln Artist + Xorn
Ruthless Technomancer + Emiel the Blessed + Xorn
Rapacious Dragon + Emiel the Blessed + Xorn
Palinchron + Bootleggers' Stash + Xorn
Olivia Voldaren + Revel in Riches + Xorn
Nim Deathmantle + Ashnod's Altar + Xorn
Najeela, the Blade-Blossom + Burakos, Party Leader + Xorn
Combo result
Infinite combat phases. Infinite creature tokens. Infinite ETB. Infinite lifegain. Infinite lifegain triggers. Infinite lifeloss.
Prerequisites
All permanents on the battlefield. You have a full party. Burakos does not have summoning sickness. An opponent is unable to block and kill Burakos.
Malcolm, Keen-Eyed Navigator + Street Urchin + Xorn
Malcolm, Keen-Eyed Navigator + Shivan Hellkite + Xorn
Malcolm, Keen-Eyed Navigator + Niv-Mizzet, Dracogenius + Xorn
Black Market Tycoon + Freed from the Real + Xorn
Magmatic Galleon + Ghirapur Aether Grid + Xorn
Combo result
Infinite tapped Treasure tokens.
Prerequisites
All permanents on the battlefield. An opponent controls an indestructible creature, or you have a way to give an opponent's creature indestructible. You control a number of artifacts equal to or greater than two times the indestructible creature's toughness plus one.
Ganax, Astral Hunter + Deadeye Navigator + Xorn
Galazeth Prismari + Deadeye Navigator + Xorn
Faerie Mastermind + Smothering Tithe + Xorn
Combo result
Infinite card draw for all players. Infinite draw triggers for all players. Near-infinite Treasure tokens. Near-infinite colored mana. Near-infinite colorless mana.
Prerequisites
All permanents on the battlefield. You have at least three opponents. Opponents are unable to pay for Smothering Tithe's trigger. {U} available.