StarCityGames.com

Ironworks
A Modern deck, by Collins Mullen
1st place at a tournament in Cary, North Carolina, United States on 2018-12-16
As reported at http://www.starcitygames.com

Maindeck:

Artifacts
3 Chromatic Sphere
4 Chromatic Star
3 Engineered Explosives
4 Ichor Wellspring
4 Krark-Clan Ironworks (Banned in Modern)
4 Mind Stone
1 Pyrite Spellbomb
1 Spine of Ish Sah
4 Terrarion

Artifact Creatures
1 Myr Retriever
4 Scrap Trawler

Legendary Artifacts
4 Mox Opal (Banned in Modern)

Legendary Creatures
1 Sai, Master Thopterist

Sorceries
4 Ancient Stirrings

Artifact Lands
4 Darksteel Citadel

Basic Lands
2 Forest
1 Island

Lands
2 Buried Ruin
4 Grove of the Burnwillows
3 Yavimaya Coast

Legendary Lands
2 Inventors' Fair

Sideboard:
4 Galvanic Blast
1 Lightning Bolt
4 Nature's Claim
2 Negate
1 Swan Song
2 Sai, Master Thopterist
1 Firespout