Mono-Black Aggro
A Pioneer deck, by bernardocssa
7th place at a tournament in Magic Online on 2020-07-15

Maindeck:

Artifact Creatures
4 Scrapheap Scrounger

Creatures
4 Bloodsoaked Champion
4 Dread Wanderer
4 Knight of the Ebon Legion
4 Murderous Rider
2 Spawn of Mayhem

Enchantments
1 Demonic Embrace

Instants
4 Fatal Push
1 Heartless Act

Legendary Creatures
4 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:
2 Aethersphere Harvester
2 Heartless Act
1 Noxious Grasp
2 Kalitas, Traitor of Ghet
3 Agonizing Remorse
2 Infinite Obliteration
3 Legion's End