Hardened Scales Affinity
A Modern deck, by Frank Skarren
16th place at a tournament in Syracuse, New York, United States on 2018-09-16

Maindeck:

Artifacts
2 Animation Module
2 Throne of Geth
3 Welding Jar

Artifact Creatures
4 Arcbound Ravager
4 Arcbound Worker
4 Hangarback Walker
4 Steel Overseer
4 Walking Ballista

Enchantments
1 Evolutionary Leap
4 Hardened Scales

Legendary Artifacts
4 Mox Opal (Banned in Modern)

Sorceries
4 Ancient Stirrings

Artifact Lands
4 Darksteel Citadel

Basic Lands
7 Forest

Lands
1 Blinkmoth Nexus
2 Horizon Canopy
4 Inkmoth Nexus
1 Llanowar Wastes

Legendary Lands
1 Pendelhaven (Not currently legal in Modern)

Sideboard:
3 Damping Sphere
1 Tormod's Crypt
1 Evolutionary Leap
2 Dismember
4 Nature's Claim
2 Surgical Extraction
1 Warping Wail
1 Karn, Scion of Urza