You've got 3 or 4 solid commander options. Deck's $256-ish. Like $240 without the stuff like Mirko and Lazavs I know you've already got floating around and won't need to take out of another deck. (I'll put a * next to those)


// 15 Artifact
1 Altar of the Brood
1 Sands of Delirium
1 Mindcrank
1 Keening Stone
1 Dimir Signet *
1 Sol Ring
1 Bonehoard
1 Lightning Greaves
1 Tormod's Crypt
1 Swiftfoot Boots
1 Commander's Sphere
1 Darksteel Ingot
1 Spellbook
1 Paradox Engine
1 Mesmeric Orb

// 23 Creature
1 Consuming Aberration
1 Lazav, Dimir Mastermind *
1 Mortivore
1 Tree of Perdition
1 Oona, Queen of the Fae
1 Dreamborn Muse
1 Mirko Vosk, Mind Drinker *
1 Duskmantle Guildmage
1 Jace's Archivist
1 Guiltfeeder
1 Nighthowler
1 Sire of Stagnation
1 Wight of Precinct Six
1 Undead Alchemist
1 Nemesis of Reason
1 Dimir Doppelganger *
1 Wrexial, the Risen Deep
1 Hover Barrier
1 Geth, Lord of the Vault
1 Hedron Crab
1 Phenax, God of Deception
1 Lazav, the Multifarious *
1 Szadek, Lord of Secrets *

// 8 Enchantment
1 Fraying Sanity *
1 Memory Erosion *
1 Bloodchief Ascension
1 Sphinx's Tutelage *
1 Dictate of Kruphix
1 Psychic Corrosion *
1 Rhystic Study
1 Propaganda

// 10 Instant
1 Grisly Spectacle
1 Crypt Incursion
1 Brainstorm
1 Hero's Downfall
1 Induce Paranoia
1 Psychic Strike
1 Thought Collapse
1 Sinister Sabotage
1 Dissolve
1 Countermand

// 32 Land
7 Island
6 Swamp
1 Command Tower
1 Dismal Backwater
1 Dimir Aqueduct
1 Drowned Catacomb
1 Temple of Deceit
1 Bojuka Bog
1 Sunken Hollow
1 Nephalia Drownyard
1 Evolving Wilds *
1 Jwar Isle Refuge
1 Reliquary Tower
1 Choked Estuary
1 Temple of the False God
1 Terramorphic Expanse *
1 Tainted Isle
1 Halimar Depths
1 Duskmantle, House of Shadow
1 Dreadship Reef
1 Rogue's Passage

// 2 Planeswalker
1 Jace, Memory Adept
1 Ashiok, Nightmare Weaver

// 10 Sorcery
1 Mind Grind
1 Traumatize
1 Increasing Confusion
1 Mind Funeral
1 Startled Awake
1 Diabolic Tutor
1 River's Rebuke
1 Black Sun's Zenith
1 Life's Finale
1 Plague Wind


Good luck.