At the beginning of each opponents upkeep, that player chooses draw step, main phase, or combat phase

Creatures (17) 1 Silent Arbiter 1 Fog Bank 1 Wall of Denial 1 Kazuul, Tyrant of the Cliffs 1 Thrummingbird 1 Narset, Enlightened Master 1 Oreskos Explorer 1 Deepglow Skate 1 Flux Channeler 1 Grateful Apparition 1 Spark Double 1 Cartographer's Hawk 1 Mangara, the Diplomat 1 Leori, Sparktouched Hunter 1 Onakke Oathkeeper 1 Sparkshaper Visionary 1 Jaya's Phoenix Planeswalkers (18) 1 Jace Beleren 1 Gideon Jura 1 Jace, Architect of Thought 1 Elspeth, Sun's Champion 1 Ajani Steadfast 1 Nahiri, the Harbinger 1 Chandra, Torch of Defiance 1 The Wanderer 1 Saheeli, Sublime Artificer 1 Narset, Parter of Veils 1 Sarkhan the Masterless 1 Chandra, Awakened Inferno 1 Narset of the Ancient Way 1 Jace, Mirror Mage 1 Commodore Guff 1 Chandra, Legacy of Fire 1 Vronos, Masked Inquisitor 1 Teyo, Geometric Tactician Lands (38) 7 Plains 4 Mountain 7 Island 1 Skycloud Expanse 1 Mystic Gate 1 Cascade Bluffs 1 Rugged Prairie 1 Exotic Orchard 1 Reliquary Tower 1 Command Tower 1 Temple of Triumph 1 Temple of Enlightenment 1 Temple of Epiphany 1 Mystic Monastery 1 Myriad Landscape 1 Prairie Stream 1 Port Town 1 Forge of Heroes 1 Interplanar Beacon 1 Karn's Bastion 1 Mobilized District 1 Frostboil Snarl 1 Furycalm Snarl Spells (27) 1 Nevinyrral's Disk 1 Swords to Plowshares 1 Sol Ring 1 Fellwar Stone 1 Honor-Worn Shaku 1 Wayfarer's Bauble 1 Talisman of Progress 1 Boros Signet 1 Izzet Signet 1 Azorius Signet 1 Path to Exile 1 Norn's Annex 1 Blasphemous Act 1 The Chain Veil 1 Oath of Jace 1 Oath of Gideon 1 Deploy the Gatewatch 1 Oath of Teferi 1 Urza's Ruinous Blast 1 Talisman of Conviction 1 Talisman of Creativity 1 Repeated Reverberation 1 Arcane Signet 1 Semester's End 1 Promise of Loyalty 1 Guff Rewrites History 1 Gatewatch Beacon What do you think of the Planeswalker Party deck

Mill never had the right support to dominate any format, and if the milling failed, the mill deck would be too far behind in the game and lose but in Commander, even with 99-card decks, mill might work with creatures like Bruvac, the Grandiloquent around
But that simple "may" clause rules all
Sauron, the Necromancer Sauron, the Necromancer is a powerful commander that benefits from staying on offense