Affinity
Featured by S3d3cr3m (7-1) on 2017-12-10 (Modern)

Maindeck:
1 Mountain

Artifacts
4 Cranial Plating
4 Springleaf Drum
1 Welding Jar

Artifact Creatures
4 Arcbound Ravager
1 Etched Champion
3 Master of Etherium
3 Memnite
4 Ornithopter
4 Signal Pest
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
1 Glimmervoid
4 Inkmoth Nexus
3 Spire of Industry

Sideboard:
2 Relic of Progenitus
3 Etched Champion
1 Blood Moon
2 Ghirapur Aether Grid
2 Ancient Grudge
1 Dispatch
2 Stubborn Denial
1 Hazoret the Fervent
1 Thoughtseize