The only downside I see is that it doesn't do anything on its own, which means that, in addition to a big target on its back, even in the perfect conditions opponents-wise, we might end up not casting it because our other cards aren't good enough in that spot

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

Naturalize for 1G would have done the job much better, yet it is good for Black to also have an answer
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