Most played cards in RB Aggro:

1 Decks
Mishra's Factory
4 copies - 4 average
Lightning Bolt
4 copies - 4 average
Dark Ritual
4 copies - 4 average
Hypnotic Specter
4 copies - 4 average
Sedge Troll
4 copies - 4 average
City of Brass
3 copies - 3 average
Badlands
3 copies - 3 average
Red Elemental Blast
3 copies - 3 average
Chain Lightning
3 copies - 3 average
Su-Chi
3 copies - 3 average
Underworld Dreams
3 copies - 3 average
Sinkhole
3 copies - 3 average
Shatter
2 copies - 2 average
Disrupting Scepter
2 copies - 2 average
Terror
2 copies - 2 average
Gloom
2 copies - 2 average
Nevinyrral's Disk
2 copies - 2 average
Blood Moon
2 copies - 2 average
Flashfires
1 copies - 1 average
Earthquake
1 copies - 1 average