Prosperity (S, Block) While Infernal Contract fuelled the ProsBloom deck, Prosperity did all the dirty legwork
So when two Near Mint copies sold on May 7th (breaking a four-month stretch of no sales), those few data points were enough to spike the cards Market Price

Ayli's Cleric Tribal Ayli, Eternal Pilgrim | Illustration by Cynthia Sheppard Commander (1) Creatures (31) Akroma's Devoted Alms Collector Battlefield Medic Battletide Alchemist Bishop of Rebirth Bygone Bishop Chaplain of Alms Demon's Disciple Doubtless One Drana's Emissary Duskfang Mentor Edgewalker Hallowed Healer Heliod's Pilgrim High Priest of Penance Keensight Mentor Master Apothecary Pontiff of Blight Ravos, Soultender Righteous Valkyrie Rotlung Reanimator Selfless Spirit Serene Steward Songstitcher Soul Warden Soul's Attendant Speaker of the Heavens Syndic of Tithes Tymna the Weaver Vengeful Reaper Whipgrass Entangler Instants (10) Anguished Unmaking Batwing Brume Despark Disenchant Feign Death Harsh Sustenance Malicious Affliction Mortify Undying Evil Utter End Sorceries (4) Deadly Tempest Debt to the Deathless Diabolic Tutor Vindicate Enchantments (11) Armored Ascension Authority of the Consuls Blind Obedience Edge of the Divinity Exquisite Blood Gift of Orzhova One Thousand Lashes Phyrexian Reclamation Pillory of the Sleepless Shadow Lance Spirit Mantle Artifacts (10) Charcoal Diamond Commander's Sphere Cosmos Elixir Marble Diamond Orzhov Signet Rings of Brighthearth Sigil of Valor Sol Ring Stoneforge Masterwork Wayfarer's Bauble Lands (33) Bojuka Bog Caves of Koilos Command Tower Evolving Wilds Isolated Chapel Kabira Crossroads Memorial to Folly Myriad Landscape Orzhov Basilica Orzhov Guildgate Path of Ancestry Plains x10 Rogue's Passage Scoured Barrens Swamp x4 Tainted Field Temple of Silence Temple of the False God Terramorphic Expanse Vault of the Archangel Westvale Abbey Clerics are a pretty underrated tribe for Commander, but they get a ton of great tools every so often

Yes, the mutate ability targets a non-human creature you own
It also shows Magics greater willingness to bring other franchises into the core of its game, even more so than the Lord of the Rings set from a couple of years ago
There are lots of other lands I could mention, like Brian Snoddy's take on Urza's Power Plant, John Avon's Lantern-lit Graveyard and Submerged Boneyard by Chris Childs, and many others