Affinty
A Modern deck, by Mike Sigrist
5th place at a tournament in Somerset, New Jersey, United States on 2016-08-20

Maindeck:

Artifacts
4 Cranial Plating
4 Springleaf Drum

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

Instants
4 Galvanic Blast

Legendary Artifacts
4 Mox Opal (Banned in Modern)

Artifact Lands
4 Darksteel Citadel

Basic Lands
1 Island
1 Mountain

Lands
4 Blinkmoth Nexus
3 Glimmervoid
4 Inkmoth Nexus

Sideboard:
2 Grafdigger's Cage
2 Etched Champion
2 Ghirapur Aether Grid
2 Ancient Grudge
2 Dismember
3 Spell Pierce
2 Whipflare