Mardu Vehicles
A Standard deck, by Sean Crum
8th place at a tournament in Atlanta, Georgia, United States on 2017-04-29

Maindeck:

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

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

Legendary Creatures
3 Archangel Avacyn (Not currently legal in Standard)
2 Thalia, Heretic Cathar (Not currently legal in Standard)

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

Basic Lands
1 Mountain
4 Plains
1 Swamp

Lands
3 Aether Hub (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)
2 Smoldering Marsh (Not currently legal in Standard)
4 Spire of Industry (Not currently legal in Standard)

Sideboard:
2 Anguished Unmaking (Not currently legal in Standard)
2 Magma Spray (Not currently legal in Standard)
1 Linvala, the Preserver (Not currently legal in Standard)
2 Nahiri, the Harbinger (Not currently legal in Standard)
1 Ob Nixilis Reignited (Not currently legal in Standard)
3 Fumigate (Not currently legal in Standard)
2 Painful Truths (Not currently legal in Standard)
2 Release the Gremlins (Not currently legal in Standard)