R/B Dragons
A Standard deck, by Marcel Strautz
5th place at a tournament in Atlanta, Georgia, United States on 2016-01-23

Maindeck:
5 Mountain

Artifact Creatures
3 Hangarback Walker (Not currently legal in Standard)

Creatures
4 Flamewake Phoenix (Not currently legal in Standard)
4 Thunderbreak Regent (Not currently legal in Standard)

Instants
4 Draconic Roar (Not currently legal in Standard)
2 Fiery Impulse (Not currently legal in Standard)
3 Grasp of Darkness (Not currently legal in Standard)
3 Murderous Cut (Not currently legal in Standard)

Legendary Creatures
4 Kolaghan, the Storm's Fury (Not currently legal in Standard)
2 Pia and Kiran Nalaar (Not currently legal in Standard)

Sorceries
2 Duress
4 Hordeling Outburst (Not currently legal in Standard)

Basic Lands
3 Swamp

Lands
4 Bloodstained Mire (Not currently legal in Standard)
2 Haven of the Spirit Dragon (Not currently legal in Standard)
4 Polluted Delta (Not currently legal in Standard)
3 Smoldering Marsh (Not currently legal in Standard)
4 Wooded Foothills (Not currently legal in Standard)

Sideboard:
2 Goblin Dark-Dwellers (Not currently legal in Standard)
2 Outpost Siege (Not currently legal in Standard)
3 Kozilek's Return (Not currently legal in Standard)
1 Kalitas, Traitor of Ghet (Not currently legal in Standard)
1 Duress
2 Roast (Not currently legal in Standard)
4 Transgress the Mind (Not currently legal in Standard)