iMtG Server: Gathering

Dredge 60 cards, 0 sideboard 4 {City of Brass} 2 {Darkslick Shores} 4 {Cephalid Coliseum} 4 {Gemstone Mine} 14 lands 4 {Putrid Imp} 1 {Sphinx of Lost Truths} 4 {Ichorid} 4 {Narcomoeba} 4 {Golgari Grave-Troll} 4 {Stinkweed Imp} 4 {Bloodghast} 1 {Flame-Kin Zealot} 26 creatures 4 {Lion's Eye Diamond} 2 {Deep Analysis} 4 {Careful Study} 4 {Bridge from Below} 2 {Dread Return} 4 {Breakthrough} 20 other spells Sideboard

Here's one example:
http://www.wizards.com/magic/magazine/Article.aspx?x=mtg/daily/deck/923

I think there are dredge decks on the forum if you dig for them.

Look at this