The reason why this card is so valuable is not only because it is of an iconic character like Ugin the Spirit Dragon, but rather a combination of its mechanical power as a value engine and also its physical rarity as a full-art, halo foil of this already hard-to-find chase card

Exquisite Invention Saheeli, the Gifted | Illustration by Ryan Pancoast Commander (1) Creature (27) Maverick Thopterist Brudiclad, Telchor Engineer Tawnos, Urza's Apprentice Vedalken Humiliator Treasure Nabber Varchild, Betrayer of Kjeldor Ancient Stone Idol Soul of New Phyrexia Inkwell Leviathan Sharding Sphinx Hellkite Igniter Bosh, Iron Golem Darksteel Juggernaut Duplicant Myr Battlesphere Psychosis Crawler Scuttling Doom Engine Steel Hellkite Thopter Assembly Loyal Drake Loyal Apprentice Geode Golem Etherium Sculptor Whirler Rogue Chief of the Foundry Pilgrim's Eye Thopter Engineer Instant (4) Chaos Warp Magmaquake Into the Roil Thirst for Knowledge Sorcery (7) Saheeli's Artistry Echo Storm Saheeli's Directive Aether Gale Blasphemous Act Reverse Engineer Tidings Enchantment (2) Enchanter's Bane Thopter Spy Network Artifact (21) Coveted Jewel Endless Atlas Retrofitter Foundry Blinkmoth Urn Mimic Vat Mirrorworks Prototype Portal Unwinding Clock Commander's Sphere Dreamstone Hedron Hedron Archive Izzet Signet Magnifying Glass Mind Stone Prismatic Lens Scrabbling Claws Sol Ring Swiftfoot Boots Unstable Obelisk Vessel of Endless Rest Worn Powerstone Land (38) Island x15 Mountain x12 Forge of Heroes Buried Ruin Command Tower Darksteel Citadel Foundry of the Consuls Great Furnace Highland Lake Izzet Boilerworks Izzet Guildgate Seat of the Synod Swiftwater Cliffs Commander, Theme, and Strategy No products found

Alternatively, it might summon a vital combo piece long before a player is ready
Scarlet & Violet 151 continues that tradition
Illustrated by Craig Elliott Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp