Wargate
An Extended deck, by Chad Juarez
5th place at a Pro Tour: Nagoya PTQ Season tournament in Denver, United States on 2011-03-13
As reported at http://www.wizards.com/magic/magazine/events.aspx?x=mtg/daily/eventcoverage/nagoya11ptq/0312denver

Maindeck:

Enchantments
4 Prismatic Omen (Not currently legal in Extended)

Instants
4 Cryptic Command (Not currently legal in Extended)
1 Mana Leak
3 Path to Exile (Not currently legal in Extended)
2 Spell Pierce

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

Sorceries
4 Explore
2 Ponder (Banned in Extended)
4 Preordain (Banned in Extended)
4 Rampant Growth
2 Scapeshift (Not currently legal in Extended)
3 Wargate (Not currently legal in Extended)

Basic Lands
3 Forest
4 Island
1 Plains

Lands
1 Celestial Colonnade
4 Flooded Grove (Not currently legal in Extended)
4 Misty Rainforest
1 Murmuring Bosk (Not currently legal in Extended)
3 Seachrome Coast
4 Valakut, the Molten Pinnacle
1 Verdant Catacombs

Sideboard:
3 Kitchen Finks (Not currently legal in Extended)
2 Obstinate Baloth
1 Sun Titan
1 Into the Roil
2 Nature's Claim
1 Spell Pierce
2 Vendilion Clique (Not currently legal in Extended)
1 Jace, the Mind Sculptor (Banned in Extended)
2 Day of Judgment