Metalworker
A Legacy deck, by Michael Bomholt
2nd place at a tournament in Indianapolis on 2011-02-06
As reported at http://www.starcitygames.com

Maindeck:

Artifacts
2 Crucible of Worlds
4 Grim Monolith
2 Lightning Greaves
3 Mox Diamond
2 Sensei's Divining Top (Banned in Legacy)
4 Voltaic Key

Artifact Creatures
4 Kuldotha Forgemaster
4 Lodestone Golem
4 Metalworker
2 Myr Battlesphere
1 Steel Hellkite
1 Sundering Titan
4 Wurmcoil Engine

Creatures
4 Goblin Welder

Legendary Artifacts
3 Mox Opal

Artifact Lands
4 Great Furnace

Lands
4 Ancient Tomb
4 City of Traitors
4 Wasteland

Sideboard:
4 Chalice of the Void
2 Sword of Fire and Ice
3 Trinisphere
2 Duplicant
4 Phyrexian Revoker