Mono-Black Midrange
A Modern deck, by Paladin Gervasi
5th place at a tournament on 2016-12-11

Maindeck:

Artifacts
1 Batterskull
2 Mortarpod

Artifact Creatures
4 Hangarback Walker

Creatures
2 Abyssal Persecutor
4 Geralf's Messenger
4 Phyrexian Obliterator

Instants
3 Victim of Night

Legendary Creatures
2 Kalitas, Traitor of Ghet

Legendary Planeswalkers
3 Liliana of the Veil
1 Liliana, the Last Hope

Sorceries
4 Collective Brutality
3 Inquisition of Kozilek
3 Thoughtseize

Basic Lands
24 Swamp

Sideboard:
1 Spellskite
4 Leyline of the Void
2 Disfigure
1 Dismember
1 Hero's Downfall
2 Night of Souls' Betrayal
2 Mutilate
2 Sadistic Sacrament