Red Black Aggro

[Kylecaraway]

Red Black Aggro 75 cards, 15 sideboard 4 {Swamp} 4 {Bloodstained Mire} 13 {Mountain} 21 lands 3 {Mardu Strike Leader} 2 {Zurgo Bellstriker} 2 {Brutal Hordechief} 4 {Warbringer} 3 {Ambuscade Shaman} 3 {Mardu Scout} 17 creatures 3 {Hero's Blade} 2 {Hordeling Outburst} 3 {Outpost Siege} 4 {Wild Slash} 4 {Stormrider Rig} 3 {Exquisite Firecraft} 3 {Impact Tremors} 22 other spells Sideboard 2 {Kolaghan, the Storm's Fury} 3 {Titan's Strength} 3 {Fiery Impulse} 1 {Commune with Lava} 3 {Dragon Fodder} 3 {Collateral Damage} 15 sideboard cards

[Kylecaraway]

This is for after theros and 2015 get fazed out. Let me know what you think.

[MommaB]

 {Lightning Berserker} +4  {Warbringer} -4

[particle]

{Lightning Berserker} +4  {Warbringer} -4

I don't think you need to cut all the warbringers. I'd go down to 2 but also cut all the {hero's blade} since it's too slow to equip and you only run 2 legends and they can't be on the field at the same time. And you need 4x {impact tremors}.