Affinity
A Modern deck, by Robert Cucunato
3rd place at a tournament in Pittsburgh, Pennsylvania, United States on 2015-11-21

Maindeck:
1 Mountain

Artifacts
4 Cranial Plating
4 Springleaf Drum

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

Instants
4 Galvanic Blast

Legendary Artifacts
4 Mox Opal (Banned in Modern)

Artifact Lands
4 Darksteel Citadel

Lands
4 Blinkmoth Nexus
4 Glimmervoid
4 Inkmoth Nexus

Sideboard:
1 Grafdigger's Cage
1 Etched Champion
2 Blood Moon
2 Ghirapur Aether Grid
2 Ancient Grudge
1 Dismember
2 Spell Pierce
2 Thoughtseize
2 Whipflare