Most played cards in Abzan Midrange:

1 Decks
Caves of Koilos
4 copies - 4 average
Evolving Wilds
4 copies - 4 average
Shambling Vent
4 copies - 4 average
Languish
4 copies - 4 average
Oath of Nissa
4 copies - 4 average
Sylvan Advocate
4 copies - 4 average
Hissing Quagmire
3 copies - 3 average
Llanowar Wastes
3 copies - 3 average
Liliana, the Last Hope
3 copies - 3 average
Grasp of Darkness
3 copies - 3 average
Gideon, Ally of Zendikar
3 copies - 3 average
Oath of Liliana
2 copies - 2 average
Transgress the Mind
2 copies - 2 average
Declaration in Stone
2 copies - 2 average
Anguished Unmaking
2 copies - 2 average
Den Protector
2 copies - 2 average
Nissa, Vastwood Seer
2 copies - 2 average
Sorin, Grim Nemesis
2 copies - 2 average
Kalitas, Traitor of Ghet
2 copies - 2 average
Ishkanah, Grafwidow
1 copies - 1 average