Most played cards in Survival :

255 Decks
Survival of the Fittest
20 copies - 0.08 average
Birds of Paradise
16 copies - 0.06 average
Llanowar Elves
14 copies - 0.05 average
Wall of Roots
13 copies - 0.05 average
City of Brass
12 copies - 0.05 average
Naturalize
12 copies - 0.05 average
Yavimaya Coast
12 copies - 0.05 average
Tradewind Rider
10 copies - 0.04 average
Wall of Blossoms
10 copies - 0.04 average
Cabal Therapy
8 copies - 0.03 average
Llanowar Wastes
8 copies - 0.03 average
Wooded Foothills
8 copies - 0.03 average
Engineered Plague
8 copies - 0.03 average
Duress
8 copies - 0.03 average
Gaea's Cradle
8 copies - 0.03 average
Quirion Ranger
7 copies - 0.03 average
Deranged Hermit
6 copies - 0.02 average
Uktabi Orangutan
5 copies - 0.02 average
Tormod's Crypt
5 copies - 0.02 average
Wirewood Symbiote
5 copies - 0.02 average