modern mtg banned cards bans no new for 2023, unbans two cards The Complete List of Banned

Like most control decks, these are slower-paced decks focused on late-game payoffs

Get Aetherflux Reservoir

With that said, let's get to it

A three mana one for one targetted discard spell does need alternate modes to carry it but it turns out that you have a pretty good card when that is the case

Because damage remains marked on a creature until the damage is removed as the turn ends, nonlethal damage dealt to a Human you control may become lethal if Sanctuary Lockdown leaves the battlefield during that turn

Shimmer Dragon EDH | Commander | Stephen Johnson Commander (1) 1 Shimmer Dragon Creatures (30) 1 Broodstar 1 Shimmer Dragon 1 Treasure Mage 1 Vedalken Archmage 1 Vedalken Humiliator 1 Alloy Myr 1 Brass Squire 1 Burnished Hart 1 Etherium Sculptor 1 Foundry Inspector 1 Hovermyr 1 Karn, Silver Golem 1 Kuldotha Forgemaster 1 Metalwork Colossus 1 Myr Battlesphere 1 Myr Enforcer 1 Myr Galvanizer 1 Myr Propagator 1 Myr Retriever 1 Myr Welder 1 Palladium Myr 1 Padeem, Consul of Innovation 1 Phyrexian Metamorph 1 Pilgrim's Eye 1 Platinum Angel 1 Shimmer Myr 1 Silver Myr 1 Solemn Simulacrum 1 Urza, Lord High Artificer 1 Walking Atlas Instants (8) 1 Aetherize 1 Aetherspouts 1 Counterspell 1 Flusterstorm 1 Rapid Hybridization 1 Stoic Rebuttal 1 Swan Song 1 Whir of Invention Sorceries (1) 1 Fabricate Enchantments (2) 1 Frogify 1 Rhystic Study Artifacts (24) 1 Arcane Signet 1 Blinkmoth Urn 1 Crawlspace 1 Darksteel Forge 1 Darksteel Plate 1 Extraplanar Lens 1 Fellwar Stone 1 Fireshrieker 1 Genesis Chamber 1 Mind Stone 1 Myr Incubator 1 Myr Turbine 1 Ring of Three Wishes 1 Sol Ring 1 Spectral Searchlight 1 Sword of the Animist 1 Tormod's Crypt 1 Trailblazer's Boots 1 Unwinding Clock 1 Whispersilk Cloak 1 Blackblade Reforged 1 Hammer of Nazahn 1 Shadowspear 1 The Immortal Sun If you wanted to run this list as a regular Commander deck, you might swap out Shimmer Dragon for Padeem, Consul of Innovation