Mono-Green Tron
A Modern deck, by Tannon Grace
4th place at a tournament in Dallas, Texas, United States on 2018-10-20

Maindeck:

Artifacts
4 Chromatic Sphere
4 Chromatic Star
4 Expedition Map
3 Oblivion Stone
3 Relic of Progenitus

Artifact Creatures
3 Walking Ballista
3 Wurmcoil Engine

Creatures
1 World Breaker

Legendary Creatures
2 Ulamog, the Ceaseless Hunger

Legendary Planeswalkers
4 Karn Liberated
2 Ugin, the Spirit Dragon

Sorceries
4 Ancient Stirrings
4 Sylvan Scrying

Basic Lands
5 Forest

Lands
1 Ghost Quarter
1 Sanctum of Ugin
4 Urza's Mine
4 Urza's Power Plant
4 Urza's Tower

Sideboard:
1 Grafdigger's Cage
3 Thought-Knot Seer
4 Thragtusk
4 Nature's Claim
2 Spatial Contortion
1 Emrakul, the Promised End