Affinity
A Modern deck, by Nathan Jones
5th place at a tournament on 2014-07-27

Maindeck:

Artifacts
4 Cranial Plating
4 Springleaf Drum

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

Enchantments
3 Ensoul Artifact

Instants
4 Galvanic Blast

Legendary Artifacts
4 Mox Opal (Banned in Modern)

Artifact Lands
4 Darksteel Citadel

Basic Lands
1 Island

Lands
4 Blinkmoth Nexus
3 Glimmervoid
4 Inkmoth Nexus

Sideboard:
1 Grafdigger's Cage
1 Relic of Progenitus
1 Torpor Orb
1 Etched Champion
1 Master of Etherium
2 Spellskite
2 Ancient Grudge
1 Dismember
2 Wear
2 Thoughtseize
1 Whipflare