Dredge
A Legacy deck, by Dave Thomas
62nd place at a tournament in Dallas, Texas on 2014-04-13

Maindeck:

Artifacts
4 Lion's Eye Diamond

Creatures
4 Golgari Grave-Troll
3 Golgari Thug
4 Ichorid
4 Narcomoeba
4 Putrid Imp
4 Stinkweed Imp
4 Street Wraith

Enchantments
4 Bridge from Below

Sorceries
2 Breakthrough
4 Cabal Therapy
2 Careful Study
1 Dread Return
4 Faithless Looting

Lands
3 Cephalid Coliseum
4 City of Brass
4 Gemstone Mine
1 Undiscovered Paradise

Sideboard:
3 Pithing Needle
1 Ashen Rider
3 Firestorm
4 Nature's Claim
1 Elesh Norn, Grand Cenobite
1 Iona, Shield of Emeria
1 Dread Return
1 Undiscovered Paradise