Mono-Green Ramp
A Pioneer deck, by Ryan Kuhlenschmidt
7th place at a tournament in Louisville, Kentucky, United States on 2020-01-11
As reported at http://www.starcitygames.com

Maindeck:

Artifact Creatures
2 Walking Ballista (Banned in Pioneer)

Creatures
4 Arboreal Grazer
4 Cavalier of Thorns
2 Elvish Mystic
4 Elvish Rejuvenator
2 Llanowar Elves
3 Ulvenwald Hydra
3 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
3 Radiant Fountain
3 Sanctum of Ugin
4 Shrine of the Forsaken Gods

Sideboard:
2 Damping Sphere
1 Perilous Vault
3 Thought-Knot Seer
3 Tireless Tracker
2 Courser of Kruphix
3 Spatial Contortion
1 Emrakul, the Promised End