Mono-Green Devotion
A Pioneer deck, by Alex Hon
1st place at a tournament in Roanoke, Virginia, United States on 2019-11-17

Maindeck:
15 Forest

Artifact Creatures
4 Walking Ballista (Banned in Pioneer)

Creatures
4 Burning-Tree Emissary
4 Elvish Mystic
4 Jadelight Ranger
4 Llanowar Elves
3 Scavenging Ooze
4 Voracious Hydra

Instants
4 Once Upon a Time (Banned in Pioneer)

Legendary Planeswalkers
4 Nissa, Who Shakes the World
4 Vivien, Arkbow Ranger

Lands
2 Castle Garenbrig

Legendary Lands
4 Nykthos, Shrine to Nyx

Sideboard:
3 Lifecrafter's Bestiary
1 Hornet Queen
2 Nylea's Disciple
4 Reclamation Sage
2 Shapers' Sanctuary
1 Heroic Intervention
1 Questing Beast
1 Ulamog, the Ceaseless Hunger