Most played cards in Abzan Seasons Past:

3 Decks
Ultimate Price
12 copies - 4 average
Hissing Quagmire
12 copies - 4 average
Shambling Vent
12 copies - 4 average
Languish
12 copies - 4 average
Sylvan Advocate
12 copies - 4 average
Transgress the Mind
12 copies - 4 average
Llanowar Wastes
9 copies - 3 average
Evolving Wilds
9 copies - 3 average
Canopy Vista
9 copies - 3 average
Ruinous Path
9 copies - 3 average
Grasp of Darkness
9 copies - 3 average
Read the Bones
9 copies - 3 average
Duress
7 copies - 2.33 average
Dark Petition
6 copies - 2 average
Kalitas, Traitor of Ghet
6 copies - 2 average
Anguished Unmaking
6 copies - 2 average
Sorin, Grim Nemesis
6 copies - 2 average
Caves of Koilos
6 copies - 2 average
Ob Nixilis Reignited
5 copies - 1.67 average
Liliana, the Last Hope
5 copies - 1.67 average