Affinity
An Extended deck, by Nathan Elkins
1st place at a Pro Tour: Honolulu tournament in Salt Lake City, Utah, United States on 2005-11-13
As reported at http://www.wizards.com/default.asp?x=mtgevent/hon05ptq/1112saltlakecity

Maindeck:

Artifacts
4 Chromatic Sphere (Not currently legal in Extended)
4 Cranial Plating (Not currently legal in Extended)
2 Pithing Needle

Artifact Creatures
4 Arcbound Ravager (Not currently legal in Extended)
4 Arcbound Worker (Not currently legal in Extended)
4 Frogmite (Not currently legal in Extended)
3 Myr Enforcer (Not currently legal in Extended)
4 Ornithopter

Creatures
2 Somber Hoverguard (Not currently legal in Extended)

Instants
3 Shrapnel Blast

Legendary Artifacts
3 Umezawa's Jitte (Not currently legal in Extended)

Sorceries
4 Thoughtcast (Not currently legal in Extended)

Artifact Lands
2 Darksteel Citadel
4 Great Furnace (Not currently legal in Extended)
4 Seat of the Synod (Not currently legal in Extended)
4 Vault of Whispers (Not currently legal in Extended)

Lands
3 Blinkmoth Nexus (Not currently legal in Extended)
2 Glimmervoid (Not currently legal in Extended)

Sideboard:
1 Pithing Needle
2 Relic Barrier (Not currently legal in Extended)
4 Scale of Chiss-Goria (Not currently legal in Extended)
3 Engineered Plague (Not currently legal in Extended)
3 Pyrostatic Pillar (Not currently legal in Extended)
2 Darkblast (Not currently legal in Extended)