You keep sacrificing, discarding, or losing permanents in small chunks until you have nothing left that matters
Whenever Archon of Cruelty enters the battlefield or attacks, target opponent sacrifices a creature or planeswalker, discards a card, and loses 3 life
Flawless Maneuver, Silkguard, Tyvar's Stand, Boros Charm, Swiftfoot Boots, Winged Boots, and the new Flare of Fortitude are some of the best ways to ensure our Commander does not depart from the battlefield
Quick expansion: Cloak and Dagger, Stinkdrinker Bandit, Frogtosser Banneret, Weirding Shaman, Boggart Mob, Marsh Flitter, Aunties Snitch, Whirler Rogue, Deathcult Rogue, Violet Pall, Notion Thief, Ghostly Pilferer, Earwig Squad, Looter il-Kor, Grenzo, Dungeon Warden, Faerie Macabre, Keeper of Keys, Tetsuko Umezawa, Fugitive, Fortune Thief, Grimoire Thief, Invisible Stalker, Inkfathom Infiltrator Goal cards: Robber of the Rich, Sygg, River Cutthroat, Notorious Throng, Bitterblossom, Grenzo, Havoc Raiser Tribal commander: Jeleva, Nephalias Scourge or Marchesa, the Black Rose seem fitting
What does it mean to have two commanders