Mono-Black Aggro
A Pioneer deck, by Jason Ellis
2nd place at a tournament in Newington, Connecticut, United States on 2020-01-12
As reported at http://www.starcitygames.com

Maindeck:

Artifacts
1 Aethersphere Harvester

Artifact Creatures
4 Scrapheap Scrounger

Creatures
4 Bloodsoaked Champion
1 Dread Wanderer
4 Knight of the Ebon Legion
1 Mogis's Marauder
4 Murderous Rider

Enchantment Creatures
3 Gnarled Scarhide

Instants
4 Fatal Push
1 Grasp of Darkness
2 Ultimate Price

Legendary Creatures
3 Rankle, Master of Pranks

Sorceries
4 Thoughtseize

Basic Lands
15 Swamp

Lands
4 Castle Locthwain
4 Mutavault

Legendary Lands
1 Urborg, Tomb of Yawgmoth

Sideboard:
1 Aethersphere Harvester
1 Damping Sphere
2 Lifebane Zombie
1 Disfigure
1 Grasp of Darkness
2 Noxious Grasp
2 Kalitas, Traitor of Ghet
1 Davriel, Rogue Shadowmage
4 Duress