Mistform Ultimus
Featured by Sean McKeown on 2012-11-04 (Commander)
As written about in http://www.starcitygames.com/php/news/article/25093.html

Maindeck:
24 Island

Artifacts
1 Bonehoard
1 Caged Sun
1 Coat of Arms
1 Gauntlet of Power
1 Nim Deathmantle
1 Quicksilver Fountain
1 Sol Ring
1 Thran Dynamo

Artifact Creatures
1 Adaptive Automaton

Creatures
1 Callous Oppressor
1 Coralhelm Commander
1 Frost Titan
1 Glen Elendra Archmage
1 Grand Architect
1 Lord of Atlantis
1 Master of the Pearl Trident
1 Merfolk Sovereign
1 Merrow Reejerey
1 Patron Wizard
1 Phyrexian Ingester
1 Quicksilver Elemental
1 Riptide Shapeshifter
1 Sage of Fables
1 Scion of Oona
1 Sea Gate Loremaster
1 Seahunter
1 Shapesharer
1 Shifting Sliver
1 Sigil Tracer
1 Snapcaster Mage
1 Somnophore
1 Sower of Temptation
1 Spellstutter Sprite
1 Stormtide Leviathan
1 Telekinetic Sliver
1 Vedalken Plotter
1 Willbender
1 Wing Splicer

Enchantments
1 Call to the Kindred
1 Coastal Piracy
1 Opposition
1 Rhystic Study
1 Spreading Seas
1 Unnatural Selection

Instants
1 Blue Sun's Zenith
1 Cyclonic Rift
1 Forbid
1 Force of Will
1 Hinder
1 Spell Crumple
1 Stroke of Genius

Legendary Artifacts
1 Umezawa's Jitte

Legendary Creatures
1 Aboshan, Cephalid Emperor
1 Azami, Lady of Scrolls
1 Lorthos, the Tidemaker
1 Mistform Ultimus
1 Teferi, Mage of Zhalfir
1 Thada Adel, Acquisitor
1 Venser, Shaper Savant

Sorceries
1 Rite of Replication

Tribal Artifacts
1 Diviner's Wand

Tribal Sorceries
1 Knowledge Exploitation
1 Notorious Throng

Lands
1 Blinkmoth Nexus
1 Dust Bowl
1 Elephant Graveyard
1 Griffin Canyon
1 Mishra's Factory
1 Riptide Laboratory
1 Rogue's Passage
1 Strip Mine
1 Swarmyard
1 Tolaria West
1 Winding Canyons

Legendary Lands
1 Academy Ruins
1 Minamo, School at Water's Edge