Boros Deck Wins
An Extended deck, by Sean Conway
6th place at a PT: San Juan PTQ Season tournament in Denver, Colorado, United States on 2010-02-28
As reported at http://www.wizards.com/magic/magazine/events.aspx?x=mtg/daily/eventcoverage/sanjuan10ptq/0227denver

Maindeck:

Creatures
4 Goblin Guide
4 Plated Geopede
4 Steppe Lynx

Enchantments
4 Zektar Shrine Expedition

Instants
4 Lightning Bolt
4 Lightning Helix (Not currently legal in Extended)
2 Magma Jet (Not currently legal in Extended)
4 Path to Exile (Not currently legal in Extended)
4 Searing Blaze
3 Shard Volley (Not currently legal in Extended)

Basic Lands
3 Mountain
1 Plains

Lands
4 Arid Mesa
4 Ghost Quarter
3 Sacred Foundry
4 Scalding Tarn

Legendary Lands
4 Flagstones of Trokair (Not currently legal in Extended)

Sideboard:
3 Damping Matrix (Not currently legal in Extended)
1 Oblivion Ring
4 Refraction Trap
3 Smash to Smithereens (Not currently legal in Extended)
4 Volcanic Fallout (Not currently legal in Extended)