Affinity
A Modern deck, by James Johnston
9th place at a tournament in Roanoke, Virginia, United States on 2017-12-02

Maindeck:

Artifacts
4 Cranial Plating
4 Springleaf Drum

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

Instants
4 Galvanic Blast

Legendary Artifacts
4 Mox Opal (Banned in Modern)

Legendary Artifact Creatures
1 Hope of Ghirapur

Artifact Lands
4 Darksteel Citadel

Basic Lands
1 Mountain

Lands
4 Blinkmoth Nexus
4 Inkmoth Nexus
4 Spire of Industry

Sideboard:
3 Blood Moon
2 Ghirapur Aether Grid
2 Rest in Peace
2 Ancient Grudge
2 Dispatch
1 Spell Pierce
1 Thoughtseize
1 Whipflare
1 Bitterblossom