Obliterate and Jokulhaups make Darksteel Ingot even better in your deck than most other EDH decks. And Darksteel Ingot is usually the first card I put in every EDH deck, it's that good.
I would also replace Double Negative with Forbid and Unsummon with Capsize.
1 Jhoira of the Ghitu
Basic Land (24)
12 Island
12 Mountain
Nonbasic Land (14)
1 Cascade Bluffs
1 Shivan Reef
1 Steam Vents
1 Volcanic Island
1 Bloodstained Mire
1 Flooded Strand
1 Polluted Delta
1 Wooded Foothills
1 Darksteel Citadel
1 Maze of Ith
1 Oboro, Palace in the Clouds
1 Strip Mine
1 Tolaria West
1 Wasteland
Creature (19)
1 Aeon Chronicler
1 Akroma, Angel of Fury
1 Avatar of Fury
1 Bogardan Hellkite
1 Deep-Seak Kraken
1 Dragon Tyrant
1 Greater Gargadon
1 Inkwell Leviathan
1 Kiki-Jiki, Mirror Breaker
1 Meloku, the Clouded Mirror
1 Mulldrifter
1 Niv-Mizzet, the Firemind
1 Rift Elemental
1 Shivan Sand-Mage
1 Spellbound Dragon
1 Tidespout Tyrant
1 Timebender
1 Trinket Mage
1 Vedalken Æthermage
1 Darksteel Colossus
1 Jhoira's Timebug
1 Solemn Simulacrum
Sorcery (12)
1 Blatant Thievery
1 Decree of Annihilation
1 Flame Wave
1 Insurrection
1 Jokulhaups
1 Obliterate
1 Reality Strobe
1 Shivan Meteor
1 Time Stretch
1 Wheel of Fate
1 Wheel of Fortune
Instant (17)
1 Brainstorm
1 Clockspinning
1 Counterspell
1 Cryptic Command
1 Double Negative
1 Fact or Fiction
1 Force of Will
1 Fork
1 Fury Charm
1 Hinder
1 Muddle the Mixture
1 Mystical Tutor
1 Reiterate
1 Rewind
1 Spin into Myth
1 Twincast
1 Unsummon
1 Future Sight
1 Rhystic Study
1 Paradox Haze
Artifact (8)
1 Izzet Signet
1 Journeyer's Kite
1 Lightning Greaves
1 Mind's Eye
1 Mirari
1 Sensei's Divining Top
1 Sol Ring
1 Thran Dynamo
Vintage: Dredge | Legacy: Burn, Goblins, Soldier | Standard: Mono-Red Aggro
Commander: Nicol Bolas, Sliver Overlord, Rafiq
Casual: Selesnya Saproling Smackdown, Izzet Labs, Rebel
Played since June 2004, mostly inactive June 2011 to March 2018
Other usernames include AlanFromRochester, homerthebeerbaron
MTG checklists from Alpha to Ravnica Allegiance - https://www.mtgsalvation.com/forums/magic-fundamentals/other-magic-products/third-party-products/805324-checklists-for-everything-from-alpha-to-ravnica
I would also replace Double Negative with Forbid and Unsummon with Capsize.
http://cubetutor.com/viewcube/1959