Eldrazi Tron
A Modern deck, by fistfullofmetal
4th place at a tournament in Magic Online on 2020-07-07

Maindeck:

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

Artifact Creatures
3 Walking Ballista
1 Wurmcoil Engine

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

Instants
2 Dismember

Legendary Planeswalkers
1 Karn Liberated
4 Karn, the Great Creator
1 Ugin, the Ineffable

Tribal Sorceries
1 All Is Dust

Basic Lands
2 Wastes

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

Legendary Lands
1 Gemstone Caverns

Sideboard:
1 Ensnaring Bridge
1 Grafdigger's Cage
1 Liquimetal Coating
1 Ratchet Bomb
1 Sorcerous Spyglass
1 Tormod's Crypt
1 Torpor Orb
1 Trinisphere
1 Witchbane Orb
1 Spellskite
1 Sundering Titan
1 Walking Ballista
2 Spatial Contortion
1 Skysovereign, Consul Flagship