Affinity
A Modern deck, by Melissa DeTora
1st place at a tournament in Brooklyn, New York, United States on 2012-01-22
As reported at http://www.wizards.com/magic/magazine/events.aspx?x=mtg/daily/eventcoverage/barcelona12ptq/0121brooklyn

Maindeck:

Artifacts
4 Cranial Plating
3 Springleaf Drum

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

Instants
4 Galvanic Blast
3 Shrapnel Blast

Legendary Artifacts
4 Mox Opal (Banned in Modern)

Sorceries
2 Steelshaper's Gift

Artifact Lands
4 Darksteel Citadel

Basic Lands
2 Mountain

Lands
4 Blinkmoth Nexus
2 Glimmervoid
3 Inkmoth Nexus

Sideboard:
1 Torpor Orb
4 Ethersworn Canonist
2 Spellskite
4 Blood Moon
2 Ancient Grudge
2 Whipflare