When that opponent loses, you win , meaning now you only have to take out one other player instead of all three opponents to win a game of Commander
Three or more and each subsequent wraith is adding four extra counters to your entire board

Agatha's Soul Cauldron Agent of Erebos All Hallow's Eve Angel of Finality Angel of Glory's Rise Animate Graveyard Ascend from Avernus Bag of Holding Balthor the Defiled Barishi Bazaar of Wonders Bojuka Bog Burn Away Cabal Therapy Calix, Destiny's Hand Cease // Desist Counterbore Cranial Extraction Creeping Renaissance Crook of Condemnation Crypt Incursion Day's Undoing Deadly Cover-Up Death or Glory Descend upon the Sinful Doomsday Drudge Spell Duplicity Dusk // Dawn Elixir Endurance Epic Experiment Eradicate Extirpate Free-for-All Gamekeeper Gerrard's Hourglass Pendant Gerrard, Weatherlight Hero Ghastly Conscription Go Blank Gustha's Scepter Haunting Echoes Haunting Voyage Hazel's Brewmaster Hedonist's Trove Helvault Identity Crisis Idol of Endurance Ill-Gotten Gains Into the Earthen Maw Inverter of Truth Jund Charm Kaya's Guile Knowledge Vault Lantern of the Lost Legion's End Lobotomy Mairsil, the Pretender Metallurgic Summonings Moratorium Stone Myr Welder Necrogoyf Necromancer's Covenant Nicol Bolas, the Arisen Nihil Spellbomb Orzhova Paradigm Shift Patchwork Crawler Praetor's Counsel Purgatory

It uses the partner commanders Okaun, Eye of Chaos and Zndrsplt, Eye of Wisdom, and also includes a lot of the cards on this list
Any deck that can make him bigger and is in Blue should at least consider running him alongside creatures like Faerie Mastermind and Ledger Shredder
That's incredible value for any White deck built around enchantments, sagas, or artifacts