Most played cards in Tooth and Nail:

1 Decks
Sylvan Scrying
4 copies - 4 average
Stomping Ground
4 copies - 4 average
Vesuva
4 copies - 4 average
Wall of Roots
4 copies - 4 average
Chalice of the Void
4 copies - 4 average
Wooded Foothills
4 copies - 4 average
Plow Under
4 copies - 4 average
Engineered Explosives
4 copies - 4 average
Cloudpost
4 copies - 4 average
Primal Command
3 copies - 3 average
Firespout
3 copies - 3 average
Ancient Grudge
3 copies - 3 average
Tooth and Nail
3 copies - 3 average
Garruk Wildspeaker
3 copies - 3 average
Relic of Progenitus
3 copies - 3 average
Bottled Cloister
3 copies - 3 average
Boseiju, Who Shelters All
2 copies - 2 average
Mindslaver
2 copies - 2 average
Banefire
2 copies - 2 average
Ravenous Baloth
2 copies - 2 average