Most played cards in B/R Aggro:

2 Decks
Reckless Wurm
8 copies - 4 average
Tombstalker
8 copies - 4 average
Stronghold Rats
8 copies - 4 average
Sulfur Elemental
8 copies - 4 average
Graven Cairns
8 copies - 4 average
Terramorphic Expanse
8 copies - 4 average
Blood Knight
8 copies - 4 average
Gathan Raiders
8 copies - 4 average
Deepcavern Imp
8 copies - 4 average
Fiery Temper
8 copies - 4 average
Keldon Megaliths
6 copies - 3 average
Ghostfire
4 copies - 2 average
Thunderblade Charge
4 copies - 2 average
Brute Force
4 copies - 2 average
Dark Withering
4 copies - 2 average
Rift Bolt
4 copies - 2 average
Gibbering Descent
4 copies - 2 average
Sudden Death
4 copies - 2 average
Akroma, Angel of Fury
4 copies - 2 average
4 copies - 2 average