Mono-Black Devotion
A Standard deck, by bobjackson
1st place at a tournament in Magic Online on 2014-12-22

Maindeck:

Creatures
1 Abhorrent Overlord (Not currently legal in Standard)
4 Gray Merchant of Asphodel (Not currently legal in Standard)
4 Squelching Leeches (Not currently legal in Standard)

Enchantment Creatures
1 Doomwake Giant (Not currently legal in Standard)
4 Herald of Torment (Not currently legal in Standard)

Instants
4 Bile Blight (Not currently legal in Standard)
4 Hero's Downfall (Not currently legal in Standard)

Legendary Enchantment Artifacts
3 Whip of Erebos (Not currently legal in Standard)

Legendary Enchantment Creatures
2 Erebos, God of the Dead (Not currently legal in Standard)

Sorceries
1 Read the Bones (Not currently legal in Standard)
4 Sign in Blood (Not currently legal in Standard)
4 Thoughtseize (Not currently legal in Standard)

Basic Lands
24 Swamp

Sideboard:
1 Abhorrent Overlord (Not currently legal in Standard)
3 Brain Maggot (Not currently legal in Standard)
1 Doomwake Giant (Not currently legal in Standard)
3 Feast of Dreams (Not currently legal in Standard)
1 Silence the Believers (Not currently legal in Standard)
1 Ulcerate (Not currently legal in Standard)
1 Erebos, God of the Dead (Not currently legal in Standard)
2 Drown in Sorrow (Not currently legal in Standard)
2 Read the Bones (Not currently legal in Standard)