Most played cards in R/W Aggro:

4 Decks
Plated Geopede
16 copies - 4 average
Scalding Tarn
16 copies - 4 average
Burst Lightning
16 copies - 4 average
Kor Firewalker
16 copies - 4 average
Arid Mesa
16 copies - 4 average
Steppe Lynx
16 copies - 4 average
Marsh Flats
16 copies - 4 average
Stoneforge Mystic
12 copies - 3 average
Kor Skyfisher
12 copies - 3 average
Goblin Ruinblaster
11 copies - 2.75 average
Adventuring Gear
9 copies - 2.25 average
Staggershock
9 copies - 2.25 average
Evolving Wilds
9 copies - 2.25 average
Kor Duelist
9 copies - 2.25 average
Goblin Guide
9 copies - 2.25 average
Cunning Sparkmage
8 copies - 2 average
Lodestone Golem
5 copies - 1.25 average
5 copies - 1.25 average
Emeria Angel
5 copies - 1.25 average
Journey to Nowhere
4 copies - 1 average