Most played cards in Hazoret the Fervent:

2 Decks
Char
2 copies - 1 average
Fiery Temper
2 copies - 1 average
Incinerate
2 copies - 1 average
Volcanic Hammer
2 copies - 1 average
Flame Javelin
2 copies - 1 average
Flame Slash
2 copies - 1 average
Chain Lightning
2 copies - 1 average
Exquisite Firecraft
2 copies - 1 average
Firebolt
2 copies - 1 average
Lightning Bolt
2 copies - 1 average
Rift Bolt
2 copies - 1 average
Lightning Strike
2 copies - 1 average
Pyrostatic Pillar
2 copies - 1 average
Spellshock
2 copies - 1 average
Barbarian Ring
2 copies - 1 average
Mishra's Factory
2 copies - 1 average
Blood Moon
2 copies - 1 average
Shrine of Burning Rage
2 copies - 1 average
Searing Blaze
2 copies - 1 average
Searing Spear
2 copies - 1 average