Most played cards in Elves:

5 Decks
Fyndhorn Elves
20 copies - 4 average
Llanowar Elves
19 copies - 3.8 average
Wirewood Symbiote
13 copies - 2.6 average
Birchlore Rangers
12 copies - 2.4 average
Heritage Druid
12 copies - 2.4 average
Nettle Sentinel
12 copies - 2.4 average
Priest of Titania
11 copies - 2.2 average
Glimpse of Nature
11 copies - 2.2 average
Quirion Ranger
11 copies - 2.2 average
Skullclamp
10 copies - 2 average
Leyline of the Void
8 copies - 1.6 average
Viridian Shaman
7 copies - 1.4 average
Summoner's Pact
7 copies - 1.4 average
Wellwisher
6 copies - 1.2 average
Elvish Visionary
6 copies - 1.2 average
Verdant Catacombs
6 copies - 1.2 average
Tormod's Crypt
5 copies - 1 average
Misty Rainforest
5 copies - 1 average
Snow-Covered Forest
5 copies - 1 average
Windswept Heath
5 copies - 1 average