Affinity
A Modern deck, by James Rynkicwicz
1st place at a tournament in Rochester, New York, United States on 2012-02-26
As reported at http://www.wizards.com/magic/magazine/events.aspx?x=mtg/daily/eventcoverage/barcelona12ptq/0226arochester

Maindeck:

Artifacts
4 Cranial Plating
3 Springleaf Drum

Artifact Creatures
2 Arcbound Ravager
4 Etched Champion
4 Memnite
4 Ornithopter
4 Signal Pest
4 Steel Overseer
4 Vault Skirge

Instants
4 Galvanic Blast
3 Shrapnel Blast

Legendary Artifacts
4 Mox Opal (Banned in Modern)

Artifact Lands
4 Darksteel Citadel

Basic Lands
2 Mountain

Lands
4 Blinkmoth Nexus
2 Glimmervoid
4 Inkmoth Nexus

Sideboard:
3 Torpor Orb
2 Ethersworn Canonist
4 Tarmogoyf
3 Ancient Grudge
3 Whipflare