Mono-Green Devotion
A Modern deck, by Christopher Gooch
2nd place at a tournament in Knoxville, Tennessee, United States on 2020-01-11

Maindeck:

Creatures
4 Birds of Paradise
4 Burning-Tree Emissary
2 Devoted Druid
3 Genesis Hydra
2 Llanowar Tribe
4 Noble Hierarch
1 Scavenging Ooze

Enchantments
4 Leyline of Abundance

Instants
4 Once Upon a Time (Banned in Modern)

Legendary Creatures
1 Questing Beast

Legendary Enchantments
4 Oath of Nissa

Legendary Planeswalkers
4 Karn, the Great Creator
4 Vivien, Arkbow Ranger

Basic Lands
5 Forest

Lands
3 Horizon Canopy
3 Misty Rainforest
1 Stomping Ground
1 Windswept Heath
1 Wooded Foothills

Land Creatures
1 Dryad Arbor

Legendary Lands
4 Nykthos, Shrine to Nyx

Sideboard:
1 Damping Sphere
1 Ensnaring Bridge
1 Grafdigger's Cage
1 Liquimetal Coating
1 Mycosynth Lattice (Banned in Modern)
1 Pithing Needle
1 Tormod's Crypt
1 Spellskite
1 Walking Ballista
1 Craterhoof Behemoth
2 Blood Moon
2 Veil of Summer
1 Ulamog, the Ceaseless Hunger