Most played cards in Elves:

1 Decks
Imperious Perfect
4 copies - 4 average
Nameless Inversion
4 copies - 4 average
Wren's Run Vanquisher
4 copies - 4 average
Mutavault
4 copies - 4 average
Gilt-Leaf Palace
4 copies - 4 average
Bramblewood Paragon
4 copies - 4 average
Bitterblossom
4 copies - 4 average
Thoughtseize
3 copies - 3 average
Primal Command
3 copies - 3 average
Elvish Hexhunter
3 copies - 3 average
Jagged-Scar Archers
3 copies - 3 average
Profane Command
3 copies - 3 average
Garruk Wildspeaker
3 copies - 3 average
Chameleon Colossus
3 copies - 3 average
Shriekmaw
3 copies - 3 average
Kitchen Finks
3 copies - 3 average
Reflecting Pool
3 copies - 3 average
Raking Canopy
2 copies - 2 average
Offalsnout
2 copies - 2 average
Cloudthresher
2 copies - 2 average