Most played cards in Anafenza, the Foremost:

4 Decks
Snow-Covered Forest
5 copies - 1.25 average
Scavenging Ooze
4 copies - 1 average
Reclamation Sage
4 copies - 1 average
Umezawa's Jitte
4 copies - 1 average
Qasali Pridemage
4 copies - 1 average
Stoneforge Mystic
4 copies - 1 average
Thalia, Heretic Cathar
4 copies - 1 average
Tarmogoyf
4 copies - 1 average
Llanowar Elves
4 copies - 1 average
Fyndhorn Elves
4 copies - 1 average
Deathrite Shaman
4 copies - 1 average
Dark Confidant
4 copies - 1 average
Birds of Paradise
4 copies - 1 average
Thoughtseize
4 copies - 1 average
Elves of Deep Shadow
4 copies - 1 average
Eternal Witness
4 copies - 1 average
Elvish Mystic
4 copies - 1 average
Thrun, the Last Troll
4 copies - 1 average
Voice of Resurgence
4 copies - 1 average
Inquisition of Kozilek
4 copies - 1 average