Most played cards in Goblins:

4 Decks
Snow-Covered Mountain
62 copies - 15.5 average
Rite of Flame
16 copies - 4 average
Seething Song
16 copies - 4 average
Mogg Sentry
16 copies - 4 average
Mogg War Marshal
16 copies - 4 average
Greater Gargadon
16 copies - 4 average
Empty the Warrens
16 copies - 4 average
Goblin King
15 copies - 3.75 average
Blood Moon
13 copies - 3.25 average
Rift Bolt
12 copies - 3 average
Skred
11 copies - 2.75 average
8 copies - 2 average
Ignorant Bliss
8 copies - 2 average
Ib Halfheart, Goblin Tactician
7 copies - 1.75 average
Demonfire
4 copies - 1 average
Word of Seizing
4 copies - 1 average
Shattering Spree
4 copies - 1 average
Thick-Skinned Goblin
4 copies - 1 average
Guerrilla Tactics
4 copies - 1 average
Browbeat
4 copies - 1 average