Mono-Black Devotion
A Standard deck, by Keane Frady
1st place at a tournament in Littleton, Colorado, United States on 2014-06-22
As reported at www.starcitygames.com

Maindeck:

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

Enchantments
4 Underworld Connections (Not currently legal in Standard)

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

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

Sorceries
4 Thoughtseize (Not currently legal in Standard)

Basic Lands
20 Swamp

Lands
4 Mutavault (Not currently legal in Standard)

Sideboard:
3 Lifebane Zombie (Not currently legal in Standard)
1 Bile Blight (Not currently legal in Standard)
1 Dark Betrayal (Not currently legal in Standard)
3 Doom Blade (Not currently legal in Standard)
2 Erebos, God of the Dead (Not currently legal in Standard)
2 Drown in Sorrow (Not currently legal in Standard)
3 Duress