Invasion of Ikoria and Finale of Devastation vied for the final slot too, but ultimately Chords flexibility in finding combo pieces or protection at Instant speed outweighs the overrun and recursion utility of these spells, at least when were talking about whats an essential tool in a players collection
Ajani Vengeant Armageddon Bear Umbra Bend or Break Bontu's Last Reckoning Boom // Bust Catastrophe Chaos Orb Cleansing Decree of Annihilation Desolation Angel Devastation Elspeth Tirel Eye of Singularity Fall of the Thran From the Ashes Impending Disaster Jalum Grifter Jokulhaups Landfill Mine Layer Myojin of Infinite Rage Obliterate Ravages of War Ruination Scourglass Solar Tide Strategy, Schmategy The Argent Etchings Urza's Sylex Wake of Destruction Winter's Chill Wrath of Leknif (playtest) Zacama, Primal Calamity
Changing Control of Permanents / Donate A somewhat chaotic deck type is one that thrives on exchanging control of permanents from different players
Ygra, Eater of All is also aggressively costed as a 6/6 for five mana
Arrogant Outlaw Dunerider Outlaw Glamorous Outlaw Kruin Outlaw Magda, Brazen Outlaw Olivia, Opulent Outlaw Outlaw Medic Outlaw Stitcher Outlaws' Fury Outlaws' Merriment Rahilda, Feral Outlaw
You can be the only one who benefits from it if you are the only one playing a lot of artifacts