Affinity
A Modern deck, by Christopher Fernandez
1st place at a tournament in Columbia, Missouri, United States on 2020-01-04
As reported at http://www.starcitygames.com

Maindeck:

Artifacts
4 Cranial Plating
1 Mystic Forge
4 Springleaf Drum

Artifact Creatures
4 Arcbound Ravager
4 Gingerbrute
3 Master of Etherium
2 Memnite
4 Ornithopter
4 Signal Pest
4 Vault Skirge

Instants
4 Galvanic Blast

Legendary Artifacts
4 Mox Opal (Banned in Modern)

Sorceries
1 Thoughtcast

Artifact Lands
4 Darksteel Citadel

Basic Lands
1 Mountain

Lands
4 Blinkmoth Nexus
1 Glimmervoid
4 Inkmoth Nexus
3 Spire of Industry

Sideboard:
2 Damping Sphere
1 Mystic Forge
3 Etched Champion
1 Ancient Grudge
2 Spell Pierce
1 Wear
3 Oko, Thief of Crowns (Banned in Modern)
2 Whipflare