Its a playful composition that adds levity to the shadow-and-flame theme dominating the expansion

Ramp: Sakura-Tribe Elder, Rampant Growth, Farseek, Nature's Lore, Kodama's Reach, Explosive Vegetation, Skyshroud Claim, Tempt with Discovery, Urza's Incubator, Sword of Feast and Famine Card Advantage: Puresteel Paladin, Sram, Senior Edificer, Stone Haven Outfitter, Mask of Memory, Sword of Fire and Ice, Rishkar's Expertise, Hunter's Insight, Life's Legacy, Greater Good, Lifecrafter's Bestiary, Sylvan Library Protection: Heroic Intervention, Champion's Helm, Nim Deathmantle, Conqueror's Flail, Teferi's Protection, Indomitable Archangel, Leonin Abunas Disruption: Dispatch, Aura Shards, Scavenging Ooze, Swords to Plowshares, Dromoka's Command, Beast Within, Return to Dust, Wrath of God, Day of Judgment, Phyrexian Reclamation, Fumigate, Austere Command, Rest in Peace, Relic of Progenitus, Nature's Claim, Sylvan Reclamation Recursion: Sword of Light and Shadow, Nahiri, the Lithomancer, Buried Ruin

Cards that are easy to access, work in multiple decks, and remain effective regardless of game state tend to dominate competitive play
Every hit marks the map of your defeat
And we do have a precedent for a recent run of Commander decks increasing in price several years after release: Commander 2014