Most played cards in Burn:

122 Decks
Lightning Bolt
488 copies - 4 average
Chain Lightning
487 copies - 3.99 average
Monastery Swiftspear
476 copies - 3.9 average
Fireblast
447 copies - 3.66 average
Lava Spike
439 copies - 3.6 average
Eidolon of the Great Revel
436 copies - 3.57 average
Goblin Guide
430 copies - 3.52 average
Price of Progress
412 copies - 3.38 average
Rift Bolt
391 copies - 3.2 average
Smash to Smithereens
374 copies - 3.07 average
Exquisite Firecraft
273 copies - 2.24 average
Sulfuric Vortex
196 copies - 1.61 average
Skewer the Critics
152 copies - 1.25 average
Leyline of the Void
131 copies - 1.07 average
Pyroblast
127 copies - 1.04 average
Ensnaring Bridge
112 copies - 0.92 average
Pyrostatic Pillar
95 copies - 0.78 average
Searing Blood
93 copies - 0.76 average
Roiling Vortex
78 copies - 0.64 average
Faerie Macabre
77 copies - 0.63 average