Nekusar EDH

{Nekusar, the Mindrazer} is the commander I'm currently planning to go with. Here's how the deck breaks down:

Pain: 11 Cards
{Underworld Dreams}
{Spiteful Visions}
{Fate Unraveler}
{Phyrexian Tyranny}
{Kederekt Parasite}
{Niv-Mizzet, the Firemind}
{Psychosis Crawler}
{Liliana's Caress}
{Vicious Shadows}
{Ebony Owl Netsuke}
{Price of Knowledge}

Wheels: 12 Cards
{Windfall}
{Winds of Change}
{Molten Psyche}
{Whirlpool Warrior}
{Jace's Archivist}
{Reforge the Soul}
{Whispering Madness}
{Teferi's Puzzle Box}
{Wheel and Deal}
{Wheel of Fortune}
{Chandra Ablaze}
{Magus of the Jar}

Mass Draw: 7 Cards
{Prosperity}
{Minds Aglow}
{Temple Bell}
{Howling Mine}
{Font of Mythos}
{Seizan, Perverter of Truth}
{Bloodgift Demon}

Wheel Value: 6
{Notion Thief}
{Consecrated Sphinx}
{Mind's Eye}
{Venser's Journal}
{Geth's Grimoire}
{Sangromancer}

Ramp: 6
{Sol Ring}
{Rakdos Signet}
{Izzet Signet}
{Dimir Signet}
{Darksteel Ingot}
{Chromatic Lantern}

Combo Pieces: 4
{Curiosity}
{Ophidian Eye}
{Mind Over Matter}
{Laboratory Maniac}

General Value: 13
{Cyclonic Rift}
{Decree of Pain}
{Decree of Annihilation}
{Epic Experiment}
{Painful Quandary}
{Forced Fruition}
{Phyresis}
{Hinder}
{Spell Crumple}
{Evacuation}
{Sheoldred, the Whispering One}
{Jin-Gitaxias, Core Augur}
{Arcane Denial}

Land: 40 Cards
{Dragonskull Summit}
{Sulfur Falls}
{Drowned Catacomb}
{Rakdos Carnarium}
{Izzet Boilerworks}
{Dimir Aqueduct}
{Jwar Isle Refuge}
{Akoum Refuge}
{Terramorphic Expanse}
{Evolving Wilds}
{Grixis Panorama}
{Reliquary Tower}
{Desolate Lighthouse}
{Command Tower}
{Temple of the False God}
{Vivid Creek}
{Vivid Crag}
{Vivid Marsh}
{Steam Vents}
{Blood Crypt}
{Watery Grave}
{Crumbling Necropolis}
{Riptide Laboratory}
7 {Swamp}s
6 {Island}s
4 {Mountain}s

This is still a pretty rough list. Any suggestions/alterations?