Below, Im looking at the black spells and staples that control boards, fuel engines, and close games in Commander and other non-rotating formats
Legendary Planeswalker - Grist Planeswalker (CTRL to add secondary) Sorcery Ghoulcaller's Harvest Create X 2/2 black Zombie creature tokens with decayed, where X is half the number of creature cards in your graveyard, rounded up
Vault and Mastery pass are rather slow and in many cases does not contribute in typical given price point

Mystic Intellect Commander (1) Planeswalker (1) Creatures (19) Backdraft Hellkite Burnished Hart Clever Impersonator Cliffside Rescuer Crackling Drake Dockside Extortionist Elsha of the Infinite Gerrard, Weatherlight Hero Guttersnipe Pramikon, Sky Rampart Pristine Angel Pristine Skywise River Kelpie Scaretiller Sun Titan Talrand, Sky Summoner Thalia's Geistcaller Wall of Stolen Identity Zetalpa, Primal Dawn Instants (15) Chemister's Insight Desperate Ravings Fact or Fiction Farm // Market Fervent Denial Increasing Vengeance Leadership Vacuum Magmaquake Mandate of Peace Oona's Grace Prismatic Strands Purify the Grave Ray of Distortion Refuse // Cooperate Think Twice Sorceries (13) Deep Analysis Devil's Play Divine Reckoning Dusk // Dawn Faithless Looting Ignite the Future Increasing Devotion Mass Diminish Mystic Retrieval Rolling Temblor Runic Repetition Sevinne's Reclamation Storm Herd Enchantments (4) Burning Vengeance Ghostly Prison Jace's Sanctum Secrets of the Dead Artifacts (7) Armillary Sphere Azorius Locket Bloodthirsty Blade Commander's Sphere Empowered Autogenerator Izzet Locket Sol Ring Lands (40) Ash Barrens Azorius Chancery Boros Garrison Boros Guildgate Command Tower Evolving Wilds Exotic Orchard Highland Lake Izzet Boilerworks Izzet Guildgate Myriad Landscape Mystic Monastery Prairie Stream Stone Quarry Swiftwater Cliffs Temple of the False God Terramorphic Expanse Tranquil Cove Wind-Scarred Crag Island x8 Mountain x4 Plains x9 The Commanders Another creation using Jeskai colors doing typical Jeskai Commander things

The design leans hard into synergy between named trainers and their Pokmon, creating fast decks with brutal tempo
In practice, what Ive experienced is that Ive simply collected a bunch of cards Ive already collected, despite having barely played the game at all this summer