Hardened Scales
A Modern deck, by Peter Porcaro
1st place at a tournament in Bernardsville, New Jersey, United States on 2019-12-01
As reported at http://www.starcitygames.com

Maindeck:

Artifacts
3 Animation Module
4 Welding Jar

Artifact Creatures
4 Arcbound Ravager
4 Arcbound Worker
4 Hangarback Walker
2 Metallic Mimic
2 Scrapyard Recombiner
1 Steel Overseer
4 Walking Ballista

Enchantments
4 Hardened Scales

Legendary Artifacts
4 Mox Opal (Banned in Modern)

Sorceries
4 Ancient Stirrings

Artifact Lands
4 Darksteel Citadel

Basic Lands
6 Forest

Lands
1 Blinkmoth Nexus
4 Inkmoth Nexus
2 Llanowar Reborn
2 Nurturing Peatland

Legendary Lands
1 Pendelhaven (Not currently legal in Modern)

Sideboard:
3 Damping Sphere
2 Grafdigger's Cage
1 Torpor Orb
3 Dismember
4 Nature's Claim
2 Karn, Scion of Urza