Affinity
A Modern deck, by Caleb Scherer
5th place at a tournament in Roanoke, Virginia, United States on 2015-12-19
As reported at www.starcitygames.com

Maindeck:

Artifacts
4 Cranial Plating
4 Springleaf Drum
1 Welding Jar

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

Instants
2 Galvanic Blast

Legendary Artifacts
4 Mox Opal (Banned in Modern)

Sorceries
3 Thoughtcast

Artifact Lands
4 Darksteel Citadel

Lands
4 Blinkmoth Nexus
4 Glimmervoid
4 Inkmoth Nexus

Sideboard:
1 Etched Champion
2 Hangarback Walker
1 Spellskite
2 Ghirapur Aether Grid
2 Ancient Grudge
1 Dismember
1 Slaughter Pact
1 Thoughtcast
1 Timely Reinforcements
1 Whipflare
2 Ghost Quarter