Main deck (60) 4 Chain Lightning 4 Clockwork Percussionist 4 Experimental Synthesizer 4 Kessig Flamebreather 4 Lava Dart 4 Lightning Bolt 17 Mountain 4 Needle Drop 4 Reckless Impulse 3 The Autonomous Furnace 4 Thermo-Alchemist 4 Wrenn's Resolve Sideboard (15) 4 Cleansing Wildfire 4 Pyroblast 1 Red Elemental Blast 4 Relic of Progenitus 2 Underworld Rage-Hound