Affinity
An Extended deck, by Kellan Stone
2nd place at a Pro Tour: Honolulu tournament in Longmont, Colorado, United States on 2005-11-13
As reported at http://www.wizards.com/default.asp?x=mtgevent/hon05ptq/1112longmont

Maindeck:

Artifacts
3 Chromatic Sphere (Not currently legal in Extended)
3 Chrome Mox (Not currently legal in Extended)
4 Cranial Plating (Not currently legal in Extended)
3 Welding Jar (Not currently legal in Extended)

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

Creatures
3 Somber Hoverguard (Not currently legal in Extended)

Instants
3 Shrapnel Blast

Sorceries
4 Thoughtcast (Not currently legal in Extended)

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

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

Sideboard:
2 Pithing Needle
3 Relic Barrier (Not currently legal in Extended)
2 Engineered Plague (Not currently legal in Extended)
3 Echoing Truth (Not currently legal in Extended)
3 Electrostatic Bolt (Not currently legal in Extended)
2 Stifle (Not currently legal in Extended)