Most played cards in GB Midrange:

1 Decks
Derelor
4 copies - 4 average
Hypnotic Specter
4 copies - 4 average
Giant Growth
4 copies - 4 average
Juzám Djinn
4 copies - 4 average
Sengir Vampire
4 copies - 4 average
Erhnam Djinn
4 copies - 4 average
Sylvan Library
4 copies - 4 average
Bayou
4 copies - 4 average
Llanowar Elves
4 copies - 4 average
Elves of Deep Shadow
4 copies - 4 average
Gloom
3 copies - 3 average
Tranquility
3 copies - 3 average
Crumble
3 copies - 3 average
Pendelhaven
2 copies - 2 average
Berserk
2 copies - 2 average
Ice Storm
1 copies - 1 average
Terror
1 copies - 1 average
Mox Emerald
1 copies - 1 average
Sol Ring
1 copies - 1 average
Mox Jet
1 copies - 1 average