Most played cards in Jund:

2 Decks
Terramorphic Expanse
7 copies - 3.5 average
Duress
5 copies - 2.5 average
Hooting Mandrills
4 copies - 2 average
Satyr Wayfinder
4 copies - 2 average
Gurmag Angler
4 copies - 2 average
Grisly Salvage
4 copies - 2 average
Golgari Guildgate
4 copies - 2 average
Diabolic Edict
4 copies - 2 average
Putrid Leech
4 copies - 2 average
Exhume
4 copies - 2 average
Phyrexian Rager
4 copies - 2 average
Faithless Looting
4 copies - 2 average
Blastoderm
4 copies - 2 average
Lightning Bolt
4 copies - 2 average
Firebolt
4 copies - 2 average
Commune with the Gods
4 copies - 2 average
Ulamog's Crusher
3 copies - 1.5 average
Pyroblast
3 copies - 1.5 average
Dragon Breath
3 copies - 1.5 average
Stone Rain
3 copies - 1.5 average