Most played cards in Spectral Jund:

4 Decks
Savage Lands
16 copies - 4 average
Putrid Leech
16 copies - 4 average
Sedraxis Specter
16 copies - 4 average
Sprouting Thrinax
16 copies - 4 average
Terminate
16 copies - 4 average
Maelstrom Pulse
16 copies - 4 average
Noble Hierarch
16 copies - 4 average
Ancient Ziggurat
16 copies - 4 average
Anathemancer
16 copies - 4 average
Bloodbraid Elf
16 copies - 4 average
Blightning
16 copies - 4 average
Vithian Renegades
14 copies - 3.5 average
Sarkhan Vol
12 copies - 3 average
Exotic Orchard
12 copies - 3 average
Broodmate Dragon
12 copies - 3 average
11 copies - 2.75 average
Madrush Cyclops
10 copies - 2.5 average
Crumbling Necropolis
8 copies - 2 average
Caldera Hellion
6 copies - 1.5 average
Karrthus, Tyrant of Jund
4 copies - 1 average