Dredge
An Extended deck, by Robert Green
1st place at a PT: Hollywood PTQ Season tournament in San Antonio, Texas, United States on 2008-03-09
As reported at http://www.wizards.com/default.asp?x=mtgevent/hollywood08ptq/0308sanantonio

Maindeck:

Creatures
2 Cephalid Sage (Not currently legal in Extended)
1 Flame-Kin Zealot (Not currently legal in Extended)
4 Golgari Grave-Troll (Not currently legal in Extended)
1 Golgari Thug (Not currently legal in Extended)
3 Ichorid (Not currently legal in Extended)
4 Narcomoeba (Not currently legal in Extended)
4 Putrid Imp (Not currently legal in Extended)
4 Stinkweed Imp (Not currently legal in Extended)

Enchantments
4 Bridge from Below (Not currently legal in Extended)

Instants
2 Darkblast (Not currently legal in Extended)
2 Tolarian Winds (Not currently legal in Extended)

Legendary Creatures
1 Akroma, Angel of Wrath (Not currently legal in Extended)

Sorceries
4 Breakthrough (Not currently legal in Extended)
3 Cabal Therapy (Not currently legal in Extended)
4 Careful Study (Not currently legal in Extended)
3 Dread Return (Not currently legal in Extended)

Lands
4 Cephalid Coliseum (Not currently legal in Extended)
4 Flooded Strand (Not currently legal in Extended)
2 Polluted Delta (Not currently legal in Extended)
4 Watery Grave

Sideboard:
4 Pithing Needle
4 Leyline of the Void
4 Chain of Vapor (Not currently legal in Extended)
2 Darkblast (Not currently legal in Extended)
1 Cabal Therapy (Not currently legal in Extended)