Most played cards in Legendary Naya:

2 Decks
Oath of Nissa
8 copies - 4 average
Sylvan Advocate
8 copies - 4 average
Evolving Wilds
8 copies - 4 average
Canopy Vista
8 copies - 4 average
Declaration in Stone
7 copies - 3.5 average
Tireless Tracker
7 copies - 3.5 average
Stasis Snare
6 copies - 3 average
Nissa, Vastwood Seer
6 copies - 3 average
Needle Spires
5 copies - 2.5 average
Cinder Glade
5 copies - 2.5 average
Gideon, Ally of Zendikar
5 copies - 2.5 average
Rending Volley
5 copies - 2.5 average
Radiant Flames
5 copies - 2.5 average
Tragic Arrogance
5 copies - 2.5 average
Thalia's Lancers
4 copies - 2 average
Archangel Avacyn
4 copies - 2 average
Dragonlord Atarka
3 copies - 1.5 average
Nahiri, the Harbinger
3 copies - 1.5 average
Quarantine Field
3 copies - 1.5 average
Hangarback Walker
3 copies - 1.5 average