Who knows what it will sell for were he to ever sell it, as collector items like these really embody the its worth whatever someone is willing to pay mantra
There are also Facebook groups surrounding card evaluation and pricing if you prefer going there

Zenoss Grudge Match Zenos yae Galvus | Illustration by Susumu Kuroi Commander (1) Planeswalker (2) Vraska, Scheming Gorgon Sorin Markov Creature (18) Orcish Bowmasters Starscape Cleric Morbid Opportunist Unstoppable Slasher Vito, Thorn of the Dusk Rose Crypt Ghast Dread Presence Enduring Tenacity Sheoldred, the Apocalypse Bloodthirsty Conqueror Gray Merchant of Asphodel Maha, Its Feathers Night Zodiark, Umbral God Nirkana Revenant Summon: Primal Odin Massacre Wurm K'rrik, Son of Yawgmoth Phage the Untouchable Sorcery (10) Bubbling Muck Reanimate Exsanguinate Demonic Tutor Feed the Swarm Night's Whisper Sign in Blood Toxic Deluge Grim Tutor Damnation Instant (15) Dark Ritual Defile Malakir Rebirth Tainted Strike Go for the Throat Imp's Mischief Infernal Grasp Consuming Corruption Dismember Overkill Withering Torment Deadly Rollick Snuff Out Fell the Profane Dark Withering Enchantment (4) Exquisite Blood Black Market Connections Phyrexian Arena Sanguine Bond Artifact (12) Commander's Plate Sol Ring Vorpal Sword Arcane Signet Blackblade Reforged Jet Medallion Lightning Greaves Swiftfoot Boots Mithril Coat Grafted Exoskeleton The One Ring The Darkness Crystal Land (38) Ancient Tomb Bojuka Bog Cabal Coffers Rogue's Passage Swamp x33 Urborg, Tomb of Yawgmoth Zenos yae Galvus flips a normal Commander game into a personal duel

Card 76 of 198 in the Chilling Reign set
add the same number of Level 2 or lower LIGHT Fairy monsters with different names from your Deck to your hand, except "Eva"
Let's say you're playing a deck with a bunch of midrangey creatures that happen to have cycling, like Archfiend of Ifnir, Curator of Mysteries, Krosan Tusker, or whatever powerful cyclers we end up with in Ikoria Standard