Gruul Prerelease
Featured by Matt Higgs on 2013-01-27 (Limited)
As written about in http://www.starcitygames.com/php/news/article/25580.html

Maindeck:
9 Forest
7 Mountain

Artifact Creatures
1 Millennial Gargoyle

Creatures
1 Cinder Elemental
1 Crocanura
2 Disciple of the Old Ways
1 Ember Beast
1 Experiment One
1 Giant Adephage
1 Greenside Watcher
1 Ivy Lane Denizen
1 Rubblehulk
1 Slaughterhorn
1 Warmind Infantry
2 Zhur-Taa Swine

Enchantments
1 Madcap Skills
1 Verdant Haven

Instants
1 Arrows of Justice
1 Homing Lightning
1 Massive Raid
1 Pit Fight

Legendary Creatures
1 Borborygmos Enraged

Sorceries
1 Act of Treason

Lands
1 Gruul Guildgate

Sideboard:
1 Riot Gear
1 Ember Beast
2 Greenside Watcher
1 Act of Treason
1 Frenzied Tilling
1 Mugging