Mardu Vehicles
A Standard deck, by Robert Castro
5th place at a tournament in Minneapolis, Minnesota, United States on 2017-08-05

Maindeck:

Artifacts
3 Aethersphere Harvester (Not currently legal in Standard)

Artifact Creatures
4 Scrapheap Scrounger (Not currently legal in Standard)
3 Walking Ballista (Not currently legal in Standard)

Creatures
4 Thraben Inspector (Not currently legal in Standard)
4 Toolcraft Exemplar (Not currently legal in Standard)

Instants
4 Fatal Push (Not currently legal in Standard)
4 Unlicensed Disintegration (Not currently legal in Standard)

Legendary Artifacts
3 Heart of Kiran (Not currently legal in Standard)

Legendary Creatures
3 Archangel Avacyn (Not currently legal in Standard)
2 Pia Nalaar (Not currently legal in Standard)

Legendary Planeswalkers
1 Gideon, Ally of Zendikar (Not currently legal in Standard)

Basic Lands
2 Mountain
3 Plains
1 Swamp

Lands
4 Aether Hub (Not currently legal in Standard)
1 Canyon Slough (Not currently legal in Standard)
4 Concealed Courtyard (Not currently legal in Standard)
4 Inspiring Vantage (Not currently legal in Standard)
2 Shambling Vent (Not currently legal in Standard)
4 Spire of Industry (Not currently legal in Standard)

Sideboard:
1 Aethersphere Harvester (Not currently legal in Standard)
2 Abrade (Not currently legal in Standard)
1 Anguished Unmaking (Not currently legal in Standard)
1 Heart of Kiran (Not currently legal in Standard)
3 Chandra, Torch of Defiance (Not currently legal in Standard)
3 Gideon, Ally of Zendikar (Not currently legal in Standard)
1 Cut (Not currently legal in Standard)
3 Doomfall (Not currently legal in Standard)