G/B Tron
A Modern deck, by William Gentry
2nd place at a tournament in Atlanta, Georgia, United States on 2018-07-01

Maindeck:

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

Artifact Creatures
1 Walking Ballista
2 Wurmcoil Engine

Creatures
1 World Breaker

Instants
2 Dismember

Legendary Creatures
1 Emrakul, the Promised End
2 Ulamog, the Ceaseless Hunger

Legendary Planeswalkers
4 Karn Liberated
2 Ugin, the Spirit Dragon

Sorceries
4 Ancient Stirrings
4 Sylvan Scrying

Basic Lands
3 Forest

Lands
1 Ghost Quarter
1 Llanowar Wastes
1 Overgrown Tomb
1 Sanctum of Ugin
4 Urza's Mine
4 Urza's Power Plant
4 Urza's Tower

Sideboard:
2 Thought-Knot Seer
3 Thragtusk
3 Nature's Claim
3 Collective Brutality
2 Thoughtseize
1 All Is Dust
1 Swamp