Red Deck Wins
An Extended deck, by Matt Sperling
22nd place at a tournament in Chiba, Japan on 2010-12-12

Maindeck:

Creatures
1 Ball Lightning (Not currently legal in Extended)
4 Figure of Destiny (Not currently legal in Extended)
4 Goblin Guide
4 Hell's Thunder (Not currently legal in Extended)
4 Hellspark Elemental (Not currently legal in Extended)
2 Plated Geopede

Instants
3 Burst Lightning
4 Flame Javelin (Not currently legal in Extended)
4 Lightning Bolt
3 Searing Blaze

Legendary Planeswalkers
1 Koth of the Hammer

Sorceries
3 Arc Trail

Basic Lands
11 Mountain

Lands
4 Arid Mesa
4 Scalding Tarn
4 Teetering Peaks

Sideboard:
4 Fulminator Mage (Not currently legal in Extended)
4 Leyline of Punishment
1 Searing Blaze
3 Volcanic Fallout (Not currently legal in Extended)
2 Koth of the Hammer
1 Arc Trail