Jund
A Legacy deck, by Pat Cox
2nd place at a tournament in Denver, Colorado, United States on 2013-01-06
As reported at http://www.wizards.com/magic/magazine/article.aspx?x=mtg/daily/eventcoverage/gpden13/welcome

Maindeck:
1 Forest
1 Mountain

Creatures
3 Bloodbraid Elf
4 Dark Confidant
4 Deathrite Shaman (Banned in Legacy)
2 Grim Lavamancer
4 Tarmogoyf

Enchantments
1 Sylvan Library

Instants
3 Abrupt Decay
4 Lightning Bolt

Legendary Planeswalkers
4 Liliana of the Veil

Sorceries
3 Hymn to Tourach
4 Thoughtseize

Basic Lands
1 Swamp

Lands
3 Badlands
2 Bayou
4 Bloodstained Mire
1 Taiga
4 Verdant Catacombs
4 Wasteland
3 Wooded Foothills

Sideboard:
1 Nihil Spellbomb
3 Engineered Plague
2 Ancient Grudge
3 Pyroblast
2 Umezawa's Jitte
2 Duress
1 Hymn to Tourach
1 Life from the Loam