Eldrazi Tron
A Modern deck, by Thomas Lee
3rd place at a tournament in Washington, District of Columbia, United States on 2017-10-29

Maindeck:

Artifacts
1 Basilisk Collar
4 Chalice of the Void
4 Expedition Map
1 Relic of Progenitus

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
3 Wastes

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

Sideboard:
2 Grafdigger's Cage
2 Ratchet Bomb
2 Relic of Progenitus
2 Sorcerous Spyglass
1 Witchbane Orb
2 Blight Herder
2 Spatial Contortion
2 Warping Wail