Psychatog
An Extended deck, by Matt Hansen
1st place at a Pro Tour: Honolulu tournament in Sioux Falls, South Dakota, United States on 2005-11-13
As reported at http://www.wizards.com/default.asp?x=mtgevent/hon05ptq/1112siouxfalls

Maindeck:

Creatures
4 Psychatog (Not currently legal in Extended)
1 Wonder (Not currently legal in Extended)

Instants
2 Boomerang (Not currently legal in Extended)
4 Circular Logic (Not currently legal in Extended)
4 Counterspell (Not currently legal in Extended)
3 Fact or Fiction (Not currently legal in Extended)
4 Force Spike (Not currently legal in Extended)
1 Gifts Ungiven (Not currently legal in Extended)
2 Mana Leak
4 Mental Note (Not currently legal in Extended)
2 Opt (Not currently legal in Extended)
3 Smother
1 Thirst for Knowledge (Not currently legal in Extended)

Legendary Creatures
1 Meloku the Clouded Mirror (Not currently legal in Extended)

Sorceries
1 Deep Analysis (Not currently legal in Extended)

Artifact Lands
1 Seat of the Synod (Not currently legal in Extended)
1 Vault of Whispers (Not currently legal in Extended)

Basic Lands
8 Island
1 Swamp

Lands
2 Cephalid Coliseum (Not currently legal in Extended)
4 Polluted Delta (Not currently legal in Extended)
2 Stalking Stones (Not currently legal in Extended)
3 Watery Grave

Legendary Lands
1 Oboro, Palace in the Clouds (Not currently legal in Extended)

Sideboard:
3 Darkblast (Not currently legal in Extended)
4 Ghastly Demise (Not currently legal in Extended)
1 Skeletal Scrying (Not currently legal in Extended)
2 Meloku the Clouded Mirror (Not currently legal in Extended)
4 Duress
1 Stalking Stones (Not currently legal in Extended)