Mono-Green Ramp
A Pioneer deck, by Joshua Snider
33rd place at a tournament in Richmond, Virginia, United States on 2020-02-01

Maindeck:

Artifact Creatures
2 Walking Ballista (Banned in Pioneer)

Creatures
4 Arboreal Grazer
3 Cavalier of Thorns
4 Elvish Rejuvenator
4 Gilded Goose
3 Oblivion Sower
4 World Breaker

Legendary Creatures
2 Ulamog, the Ceaseless Hunger

Legendary Planeswalkers
3 Ugin, the Spirit Dragon

Sorceries
4 Nissa's Pilgrimage

Basic Lands
11 Forest

Lands
1 Arch of Orazca
1 Blast Zone
4 Castle Garenbrig
2 Radiant Fountain
3 Sanctum of Ugin
4 Shrine of the Forsaken Gods

Legendary Lands
1 Geier Reach Sanitarium

Sideboard:
2 Damping Sphere
2 Perilous Vault
4 Thought-Knot Seer
1 Void Winnower
4 Spatial Contortion
1 Skysovereign, Consul Flagship
1 Emrakul, the Promised End