Most played cards in Goblin:

2 Decks
Goblin Warchief
8 copies - 4 average
Karplusan Forest
8 copies - 4 average
Mogg Fanatic
8 copies - 4 average
Goblin Ringleader
8 copies - 4 average
Wooded Foothills
8 copies - 4 average
Naturalize
8 copies - 4 average
Goblin Lackey
8 copies - 4 average
Goblin Matron
8 copies - 4 average
Goblin Piledriver
8 copies - 4 average
Pyrokinesis
6 copies - 3 average
Siege-Gang Commander
6 copies - 3 average
Pyroblast
6 copies - 3 average
Tranquil Domain
4 copies - 2 average
Rishadan Port
4 copies - 2 average
Lightning Bolt
4 copies - 2 average
Tormod's Crypt
4 copies - 2 average
Wasteland
4 copies - 2 average
Goblin King
4 copies - 2 average
Gempalm Incinerator
3 copies - 1.5 average
Skirk Prospector
3 copies - 1.5 average