Most played cards in Mana Ramp:

1 Decks
Treetop Village
4 copies - 4 average
Kitchen Finks
4 copies - 4 average
Faerie Macabre
4 copies - 4 average
Snow-Covered Forest
4 copies - 4 average
Cloudthresher
4 copies - 4 average
Into the North
4 copies - 4 average
Harmonize
4 copies - 4 average
Firespout
4 copies - 4 average
Shriekmaw
3 copies - 3 average
Damnation
3 copies - 3 average
Wall of Roots
3 copies - 3 average
Snow-Covered Swamp
3 copies - 3 average
Thoughtseize
3 copies - 3 average
Loxodon Warhammer
2 copies - 2 average
Puppeteer Clique
2 copies - 2 average
Murderous Redcap
2 copies - 2 average
Tresserhorn Sinks
2 copies - 2 average
Snow-Covered Mountain
2 copies - 2 average
Grove of the Burnwillows
2 copies - 2 average
Highland Weald
2 copies - 2 average