Scars of Mirrodin Block

Scars of Mirrodin Block (Visual)

Everything is from Scars of Mirrodin block.
There is no 5-color identity Legendary Creature from Scars of Mirrodin block, so I punted and use Etched Monstrosity.
If someone ever were to balk at it (no one ever does), I would go off-theme and use Sliver Queen.

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Click here for my EDH Commander decks

General (1):
Etched Monstrosity

Creatures (27):
Blightsteel Colossus Platinum Emperion Steel Hellkite Wurmcoil Engine Glissa, the Traitor Jor Kadeen, the Prevailer Chancellor of the Dross Geth, Lord of the Vault Massacre Wurm Necrotic Ooze Sangromancer Sheoldred, Whispering One Skithiryx, the Blight Dragon Chancellor of the Spires Consecrated Sphinx Cryptoplasm Jin-Gitaxias, Core Augur Phyrexian Metamorph Quicksilver Gargantuan Engulfing Slagwurm Liege of the Tangle Chancellor of the Forge Hellkite Igniter Hoard-Smelter Dragon Urabrask the Hidden Elesh Norn, Grand Cenobite Victory's Herald

Spells (28):
Argentum Armor Contagion Engine Darksteel Plate Karn Liberated Lux Cannon Mimic Vat Mindslaver Mirrorworks Nim Deathmantle Prototype Portal Strider Harness Sword of Body and Mind Sword of Feast and Famine Sword of War and Peace Venser's Journal Tezzeret, Agent of Bolas Venser, the Sojourner Exsanguinate Blue Sun's Zenith Dissipation Field Asceticism Genesis Wave Green Sun's Zenith Praetor's Counsel Elspeth Tirel Norn's Annex True Conviction White Sun's Zenith

Mana Acceleration (8):
Mox Opal Palladium Myr Caged Sun Vorinclex, Voice of Hunger Alloy Myr Pristine Talisman Sphere of the Suns Mycosynth Wellspring

Lands (36):
Blackcleave Cliffs Copperline Gorge Darkslick Shores Razorverge Thicket Seachrome Coast Inkmoth Nexus Phyrexia's Core Swamp Swamp Swamp Swamp Swamp Swamp Island Island Island Island Island Island Forest Forest Forest Forest Forest Forest Mountain Mountain Mountain Mountain Mountain Plains Plains Plains Plains Plains Plains

Sideboard (Omitted/Cut card ideas):
Indomitable Archangel Contagion Clasp Tower of Calamities Slice in Twain Inexorable Tide Carnifex Demon Clone Shell Darksteel Juggernaut Thopter Assembly Trigon of Thought Sunblast Angel