The idea behind Transmute Artifact is similar to a Polymorph combined with a Tinker at an extra cost

Abiding Grace Abuelo's Awakening Advanced Stitchwing Afterburner Expert Aftermath Analyst Against All Odds Ajani, Adversary of Tyrants Akoum Firebird Alesha, Who Smiles at Death Altanak, the Thrice-Called Angel of Glory's Rise Angel of Indemnity Annie Flash, the Veteran Anti-Venom, Horrifying Healer Archangel Elspeth Archon of Falling Stars Arclight Phoenix Argivian Restoration Artificer's Dragon Artisan of Kozilek Ascend from Avernus Ashnod's Harvester Astelli Reclaimer Atzal, Cave of Eternity Auriok Survivors Balustrade Wurm Battle of Hoover Dam Benalish Partisan Bishop of Rebirth Bloodfeather Phoenix Blossoming Tortoise Brackwater Elemental Breath of Life Brilliant Restoration Bringer of the White Dawn Brotherhood Outcast Bruna, the Fading Light Builder's Talent Calim, Djinn Emperor Calix, Destiny's Hand Call a Surprise Witness Campus Renovation Canoptek Tomb Sentinel Cass, Hand of Vengeance Celestial Gatekeeper Celestine, the Living Saint Chronosavant Claim // Fame Cleric Class Combat Courier Craving of Yeenoghu Custodi Soulcaller Dance of the Manse Daretti, Scrap Savant Dauntless Avenger Deathmist Raptor Deeproot Wayfinder Defy Death Desecrate Reality Devoted Crop-Mate Dewdrop Cure Dr

Its a unique stax piece that can basically shut down combo or spells decks for a turn
You can look forward to jumping into Ravnica Remastered at your local game store with Friday Night Magic and a release weekend filled with drafts when it launches on January 12, 2024