It's not just that it is almost certain to flip Sephiroth the first time it triggers, making that damage guaranteed
Creatures that enter attacking are never declared as attackers, and as such, they won't cause Dollmaker's Shop's ability to trigger
That meant we really only had "boy king" and mummy to work with, so we ended up making him a commander for embalm, putting him into the two colors that focused on the mechanic

"Lifetime" Pass Holder Abiding Grace Abuelo's Awakening Acolyte of Affliction Admiral Brass, Unsinkable Aerith, Last Ancient Afterburner Expert Against All Odds Ajani, Adversary of Tyrants Akoum Firebird Alesha, Who Laughs at Fate Alesha, Who Smiles at Death Altar of Bhaal Altar of the Wretched Anarchist Anathemancer Angel of Indemnity Angelic Renewal Angrath, Minotaur Pirate Animate Dead Anti-Venom, Horrifying Healer Apprentice Necromancer Archaeomancer Archaeomender Archfiend of Sorrows Archon of Falling Stars Archpriest of Shadows Ardent Elementalist Artisan of Kozilek Ascent of the Worthy Ashen Ghoul Ashnod's Harvester Astelli Reclaimer Atzal, Cave of Eternity Auramancer Auriok Survivors Avengers Quinjet Ayara, Furnace Queen Back for More Back on Track Badlands Revival Balduvian Atrocity Barrow Witches Barrowin of Clan Undurr Battle of Hoover Dam Betor, Ancestor's Voice Betrayal of Flesh Bishop of Rebirth Black Sun's Twilight Bladewing's Thrall Blood Fountain Blood Operative Blood Spatter Analysis Blood for Bones Blood on the Snow Bloodfeather Phoenix Bloodghast Bloodline Necromancer Bloodsoaked Champion Blossoming Tortoise Body Launderer Body Snatcher Bond of Revival Bonecaller Cleric Brackish Trudge Brackwater Elemental Breath of Life Brood of Cockroaches Broodheart Engine Brotherhood Outcast Bruna, the Fading Light

Hurkyl, Master Wizard Hurkyl, Master Wizard is your blue commander for noncreature builds