B/G Devotion
A Standard deck, by Xerk
2nd place at a tournament in Magic Online on 2014-04-12

Maindeck:

Creatures
4 Desecration Demon (Not currently legal in Standard)
4 Gray Merchant of Asphodel (Not currently legal in Standard)
3 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
3 Abrupt Decay (Not currently legal in Standard)
3 Devour Flesh (Not currently legal in Standard)
2 Golgari Charm (Not currently legal in Standard)
4 Hero's Downfall (Not currently legal in Standard)

Sorceries
4 Thoughtseize (Not currently legal in Standard)

Basic Lands
13 Swamp

Lands
4 Golgari Guildgate (Not currently legal in Standard)
4 Mutavault (Not currently legal in Standard)
4 Overgrown Tomb (Not currently legal in Standard)

Sideboard:
2 Mistcutter Hydra (Not currently legal in Standard)
2 Bile Blight (Not currently legal in Standard)
3 Dark Betrayal (Not currently legal in Standard)
2 Doom Blade (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)
3 Duress