R/B Dragons
Featured by Michael Majors on 2016-06-29 (Standard)
As written about in http://www.starcitygames.com/php/news/article/33185.html

Maindeck:

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

Creatures
3 Goblin Dark-Dwellers (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)
2 Kolaghan's Command (Not currently legal in Standard)
3 Ultimate Price (Not currently legal in Standard)

Legendary Creatures
1 Dragonlord Kolaghan (Not currently legal in Standard)
2 Pia and Kiran Nalaar (Not currently legal in Standard)

Sorceries
3 Duress
2 Ruinous Path (Not currently legal in Standard)

Basic Lands
6 Mountain
6 Swamp

Lands
2 Evolving Wilds
4 Foreboding Ruins (Not currently legal in Standard)
3 Hanweir Battlements (Not currently legal in Standard)
4 Smoldering Marsh (Not currently legal in Standard)
1 Westvale Abbey (Not currently legal in Standard)