Eldrazi Tron
A Modern deck, by Joseph Horton
2nd place at a tournament in Roanoke, Virginia, United States on 2017-12-02

Maindeck:

Artifacts
4 Chalice of the Void
4 Expedition Map
2 Mind Stone

Artifact Creatures
4 Walking Ballista
1 Wurmcoil Engine

Creatures
2 Endbringer
4 Matter Reshaper
4 Reality Smasher
4 Thought-Knot Seer

Instants
2 Dismember

Legendary Creatures
1 Ulamog, the Ceaseless Hunger

Legendary Planeswalkers
2 Karn Liberated

Tribal Sorceries
2 All Is Dust

Basic Lands
2 Wastes

Lands
1 Cavern of Souls
4 Eldrazi Temple
3 Ghost Quarter
1 Sanctum of Ugin
1 Sea Gate Wreckage
4 Urza's Mine
4 Urza's Power Plant
4 Urza's Tower

Sideboard:
1 Grafdigger's Cage
2 Ratchet Bomb
4 Relic of Progenitus
4 Hangarback Walker
1 Surgical Extraction
2 Warping Wail
1 All Is Dust