Most played cards in Elves:

2 Decks
Gaea's Cradle
4 copies – 2 avg
Wirewood Symbiote
4 copies – 2 avg
Llanowar Elves
4 copies – 2 avg
Survival of the Fittest
4 copies – 2 avg
Wooded Foothills
4 copies – 2 avg
Priest of Titania
4 copies – 2 avg
Multani's Acolyte
3 copies – 1.5 avg
Quirion Ranger
3 copies – 1.5 avg
Pyroblast
3 copies – 1.5 avg
Null Rod
3 copies – 1.5 avg
Naturalize
3 copies – 1.5 avg
Taiga
3 copies – 1.5 avg
Fyndhorn Elves
3 copies – 1.5 avg
Tropical Island
3 copies – 1.5 avg
Biorhythm
2 copies – 1 avg
Windswept Heath
2 copies – 1 avg
Choke
2 copies – 1 avg
Caller of the Claw
1 copies – 0.5 avg
Gilded Drake
1 copies – 0.5 avg
Red Elemental Blast
1 copies – 0.5 avg