Most played cards in Naya:

2 Decks
Presence of Gond
8 copies - 4 average
Commune with the Gods
8 copies - 4 average
Soul's Attendant
8 copies - 4 average
Battle Screech
8 copies - 4 average
Soul Warden
8 copies - 4 average
Midnight Guard
8 copies - 4 average
Benevolent Bodyguard
7 copies - 3.5 average
Wind-Scarred Crag
6 copies - 3 average
Prismatic Strands
6 copies - 3 average
Oblivion Ring
5 copies - 2.5 average
Blossoming Sands
5 copies - 2.5 average
Khalni Garden
5 copies - 2.5 average
Survivors' Encampment
4 copies - 2 average
Selesnya Sanctuary
4 copies - 2 average
Faithless Looting
4 copies - 2 average
Journey to Nowhere
4 copies - 2 average
Standard Bearer
4 copies - 2 average
Rally the Peasants
4 copies - 2 average
Electrickery
4 copies - 2 average
Ash Barrens
4 copies - 2 average