G/B Tron
A Modern deck, by Seth Manfield
4th place at a tournament in Oklahoma City, Oklahoma, United States on 2017-12-09

Maindeck:
2 Forest

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

Artifact Creatures
1 Walking Ballista
3 Wurmcoil Engine

Creatures
1 World Breaker

Instants
2 Fatal Push

Legendary Creatures
1 Ulamog, the Ceaseless Hunger

Legendary Planeswalkers
4 Karn Liberated
2 Ugin, the Spirit Dragon

Sorceries
4 Ancient Stirrings
4 Sylvan Scrying

Lands
1 Blooming Marsh
1 Ghost Quarter
2 Llanowar Wastes
1 Sanctum of Ugin
4 Urza's Mine
4 Urza's Power Plant
4 Urza's Tower

Sideboard:
3 Thragtusk
3 Nature's Claim
2 Ravenous Trap
1 Warping Wail
4 Collective Brutality
2 Thoughtseize