Selesnya Scales
A Modern deck, by Coert
1st place at a tournament in Magic Online on 2020-09-20

Maindeck:

Artifact Creatures
2 Walking Ballista

Creatures
4 Arbor Elf
2 Auriok Champion
4 Conclave Mentor
4 Ranger-Captain of Eos
3 Scavenging Ooze
4 Spike Feeder (Not currently legal in Modern)

Enchantments
4 Hardened Scales
4 Utopia Sprawl

Instants
4 Collected Company

Legendary Enchantment Creatures
4 Heliod, Sun-Crowned

Sorceries
1 Turntimber Symbiosis

Basic Lands
5 Forest
2 Plains

Lands
1 Gavony Township
3 Horizon Canopy
1 Prismatic Vista
4 Temple Garden
4 Windswept Heath

Sideboard:
2 Damping Sphere
1 Relic of Progenitus
1 Aven Mindcensor
1 Burrenton Forge-Tender
2 Knight of Autumn
2 Choke
1 Eidolon of Rhetoric
2 Path to Exile
2 Veil of Summer
1 Gaddock Teeg