and you would code it as

 

1x Anger of the Gods
1x Ash Zealot
1x Banefire
1x Blasphemous Act
1x Breaking Point
1x Chain Reaction
1x Chandra's Phoenix
1x Desperate Ritual
1x Dragon's Claw
1x Earthquake
1x Faithless Looting
1x Fiery Cannonade
1x Fire Diamond
1x Flame Rift
1x Flame Slash
1x Guttersnipe
1x Hour of Devastation
1x Iron Myr
1x Jaya Ballard
1x Jaya's Immolating Inferno
23x Mountain
1x Pyretic Ritual
1x Pyroclasm
1x Repercussion
1x Rolling Temblor
1x Runaway Steam-Kin
1x Seething Song
1x Skewer the Critics
1x Slagstorm
1x Slith Firewalker
1x Smash to Smithereens
1x Star of Extinction
1x Sulfuric Vortex
1x Sweltering Suns
1x The Flame of Keld
1x Tunnel Ignus
1x Vexing Devil
1x Young Pyromancer