Mono-Black Devotion
A Standard deck, by Mike Sigrist
12th place at a tournament in Providence, Rhode Island, United States on 2014-06-07

Maindeck:

Creatures
4 Desecration Demon (Not currently legal in Standard)
4 Gray Merchant of Asphodel (Not currently legal in Standard)
4 Lifebane Zombie (Not currently legal in Standard)
4 Pack Rat (Not currently legal in Standard)

Enchantments
4 Underworld Connections (Not currently legal in Standard)

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

Sorceries
1 Duress
4 Thoughtseize (Not currently legal in Standard)

Basic Lands
18 Swamp

Lands
4 Mutavault (Not currently legal in Standard)
3 Temple of Silence (Not currently legal in Standard)

Sideboard:
1 Pithing Needle
1 Bile Blight (Not currently legal in Standard)
2 Dark Betrayal (Not currently legal in Standard)
2 Doom Blade (Not currently legal in Standard)
1 Pharika's Cure (Not currently legal in Standard)
1 Whip of Erebos (Not currently legal in Standard)
2 Erebos, God of the Dead (Not currently legal in Standard)
1 Drown in Sorrow (Not currently legal in Standard)
3 Duress
1 Read the Bones (Not currently legal in Standard)