Most played cards in Mono-Green Ramp:

1 Decks
Sanctum of Ugin
4 copies - 4 average
Hedron Archive
4 copies - 4 average
Oath of Nissa
4 copies - 4 average
Jaddi Offshoot
4 copies - 4 average
Shrine of the Forsaken Gods
4 copies - 4 average
Deathcap Cultivator
4 copies - 4 average
World Breaker
4 copies - 4 average
Thought-Knot Seer
4 copies - 4 average
Ulamog, the Ceaseless Hunger
3 copies - 3 average
Clip Wings
3 copies - 3 average
Nissa's Pilgrimage
3 copies - 3 average
Explosive Vegetation
3 copies - 3 average
Traverse the Ulvenwald
2 copies - 2 average
Reality Smasher
2 copies - 2 average
Nissa's Renewal
2 copies - 2 average
Oblivion Sower
2 copies - 2 average
Nissa, Voice of Zendikar
2 copies - 2 average
Spatial Contortion
2 copies - 2 average
Void Winnower
1 copies - 1 average
Wastes
1 copies - 1 average