Burn a Path
I made a variation on a mono red burn deck in Modern format with this deck called Burn a path on tapped out right here). I will post the decklist here as well.
Lands
Mountains x19
Creatures (17)
Sanguinary Mage x 4
Pyre Hound x 4
Nimble Blade Kherna x4
Monastery Swiftspear x 2
Kiln Fiend x 2
Lightning Mare x 1
Instant(16)
Annihilating Fire x1
Fiery Temper x4
Incinerate x3
Lightning Strike x4
Magma Spray x4
Sorcery(5)
Cosmotronic Wave x1
Direct Current x1
Incendiary Flow x1
Pillar of Flame x2
Enchantment(3)
Font of Ire x3