Niv-Mizzet, Dracogenius—http://www.gatheringmagic.com/abe-sargent-edh-decklist-10092013-budget-commander-with-niv-mizzet/
Original Deck List 100 cards:
1 Desolate Lighthouse
1 Evolving Wilds
16 Island
1 Izzet Boilerworks
1 Izzet Guildgate
16 Mountain
1 Terramorphic Expanse
1 Archaeomancer
1 Armillary Sphere
1 Burnished Hart
1 Cancel
1 Capsize
1 Cast Through Time
1 Charmbreaker Devils
1 Curiosity
1 Deep Analysis
1 Devil's Play
1 Djinn Illuminatus
1 Dreamstone Hedron
1 Essence Backlash
1 Everflowing Chalice
1 Exclude
1 Eyes of the Watcher
1 Faerie Trickery
1 Fanning the Flames
1 Fire Servant
1 Firebolt
1 Gigadrowse
1 Guardian Idol
1 Hypersonic Dragon
1 Invoke the Firemind
1 Izzet Chronarch
1 Izzet Cluestone
1 Izzet Keyrune
1 Izzet Signet
1 Jilt
1 Lightning Surge
1 Lost in the Mist
1 Lunar Mystic
1 Melek, Izzet Paragon
1 Mind Games
1 Mirror Sheen
1 Mischievous Quanar
1 Mnemonic Wall
1 Mulldrifter
1 Mystic Retrieval
1 Niv-Mizzet, Dracogenius
1 Nivix Guildmage
1 Opportunity
1 Past in Flames
1 Pilgrim's Eye
1 Prescient Chimera
1 Prophetic Bolt
1 Rapid Hybridization
1 Runechanter's Pike
1 Shattering Pulse
1 Spell Contortion
1 Spellheart Chimera
1 Spelltwine
1 Sphinx-Bone Wand
1 Suffocating Blast
1 Talrand, Sky Summoner
1 Think Twice
1 Tidespout Tyrant
1 Traumatic Visions
1 Urza's Rage
1 Vandalblast
1 Whispers of the Muse
1 Wild Ricochet
1 Young Pyromancer