Grixis Improvise
A Standard deck, by John Hughes
5th place at a tournament in Philadelphia, Pennsylvania, United States on 2018-01-28

Maindeck:

Artifacts
1 Aethersphere Harvester (Not currently legal in Standard)
4 Prophetic Prism (Not currently legal in Standard)
4 Renegade Map (Not currently legal in Standard)
4 Servo Schematic (Not currently legal in Standard)
1 Sorcerous Spyglass (Not currently legal in Standard)
1 Treasure Map (Not currently legal in Standard)

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

Creatures
4 Herald of Anguish (Not currently legal in Standard)
4 Maverick Thopterist (Not currently legal in Standard)

Instants
4 Fatal Push (Not currently legal in Standard)
4 Metallic Rebuke (Not currently legal in Standard)

Legendary Planeswalkers
2 Tezzeret the Schemer (Not currently legal in Standard)

Sorceries
3 Battle at the Bridge (Not currently legal in Standard)

Basic Lands
1 Island
1 Mountain
4 Swamp

Lands
1 Dragonskull Summit (Not currently legal in Standard)
2 Drowned Catacomb (Not currently legal in Standard)
3 Fetid Pools (Not currently legal in Standard)
4 Spire of Industry (Not currently legal in Standard)
4 Spirebluff Canal (Not currently legal in Standard)

Legendary Lands
1 Inventors' Fair (Not currently legal in Standard)

Sideboard:
1 Aethersphere Harvester (Not currently legal in Standard)
1 Sorcerous Spyglass (Not currently legal in Standard)
3 Contraband Kingpin (Not currently legal in Standard)
1 Kumena's Awakening (Not currently legal in Standard)
2 Abrade (Not currently legal in Standard)
4 Negate
2 Duress
1 Golden Demise (Not currently legal in Standard)