ELVES!
An Extended deck, by Luis Scott-Vargas
1st place at a tournament in Berlin, Germany on 2008-11-02
As reported at http://www.wizards.com/magic/magazine/article.aspx?x=mtg/daily/eventcoverage/ptber08/t8decks

Maindeck:

Creatures
4 Birchlore Rangers (Not currently legal in Extended)
4 Elves of Deep Shadow (Not currently legal in Extended)
4 Elvish Visionary
1 Eternal Witness (Not currently legal in Extended)
4 Heritage Druid (Not currently legal in Extended)
4 Llanowar Elves
4 Nettle Sentinel (Not currently legal in Extended)
1 Regal Force (Not currently legal in Extended)
2 Viridian Shaman (Not currently legal in Extended)
4 Wirewood Symbiote (Not currently legal in Extended)

Instants
4 Summoner's Pact (Not currently legal in Extended)

Sorceries
4 Glimpse of Nature (Not currently legal in Extended)
1 Grapeshot (Not currently legal in Extended)
3 Weird Harvest (Not currently legal in Extended)

Basic Snow Lands
9 Snow-Covered Forest (Not currently legal in Extended)

Lands
4 Gilt-Leaf Palace (Not currently legal in Extended)
2 Overgrown Tomb

Legendary Lands
1 Pendelhaven (Not currently legal in Extended)

Sideboard:
2 Thorn of Amethyst (Not currently legal in Extended)
1 Mycoloth (Not currently legal in Extended)
1 Nullmage Shepherd (Not currently legal in Extended)
2 Viridian Shaman (Not currently legal in Extended)
4 Umezawa's Jitte (Not currently legal in Extended)
4 Thoughtseize (Not currently legal in Extended)
1 Pendelhaven (Not currently legal in Extended)