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

Maindeck:

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

Sorceries
3 Cabal Therapy (Not currently legal in Extended)
4 Thoughtcast (Not currently legal in Extended)

Artifact Lands
4 Darksteel Citadel
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)
4 Underground River (Not currently legal in Extended)

Sideboard:
2 Arcane Laboratory (Not currently legal in Extended)
4 Darkblast (Not currently legal in Extended)
2 Echoing Truth (Not currently legal in Extended)
4 Smother
1 Cabal Therapy (Not currently legal in Extended)
2 Duress