BUG
An Extended deck, by Thomas Huteson
2nd place at a Pro Tour: Nagoya PTQ Season tournament in Portland, Oregon, United States on 2011-03-27
As reported at http://www.wizards.com/magic/magazine/events.aspx?x=mtg/daily/eventcoverage/nagoya11ptq/0326portland

Maindeck:

Artifact Creatures
2 Precursor Golem

Creatures
2 Frost Titan
2 Grave Titan
4 Lotus Cobra

Instants
4 Cryptic Command (Not currently legal in Extended)
3 Go for the Throat
3 Mana Leak

Legendary Planeswalkers
3 Jace, the Mind Sculptor (Banned in Extended)

Sorceries
4 Explore
2 Inquisition of Kozilek
3 Preordain (Banned in Extended)
2 Thoughtseize (Not currently legal in Extended)

Basic Lands
3 Forest
3 Island
2 Swamp

Lands
4 Creeping Tar Pit
4 Darkslick Shores
2 Flooded Grove (Not currently legal in Extended)
4 Misty Rainforest
1 Murmuring Bosk (Not currently legal in Extended)
3 Verdant Catacombs

Sideboard:
1 Wurmcoil Engine
3 Great Sable Stag (Not currently legal in Extended)
4 Kitchen Finks (Not currently legal in Extended)
3 Consume the Meek
2 Flashfreeze
2 Mind Shatter (Not currently legal in Extended)