Most played cards in 12 Posts:

1 Decks
Glimmerpost
4 copies - 4 average
Expedition Map
4 copies - 4 average
Force of Vigor
4 copies - 4 average
Pithing Needle
4 copies - 4 average
Green Sun's Zenith
4 copies - 4 average
Elvish Reclaimer
4 copies - 4 average
Cloudpost
4 copies - 4 average
Crop Rotation
4 copies - 4 average
Once Upon a Time
4 copies - 4 average
Carpet of Flowers
3 copies - 3 average
Endurance
3 copies - 3 average
Primeval Titan
3 copies - 3 average
Mindbreak Trap
3 copies - 3 average
Vesuva
2 copies - 2 average
Thespian's Stage
2 copies - 2 average
Surgical Extraction
2 copies - 2 average
Ulamog, the Ceaseless Hunger
1 copies - 1 average
The Tabernacle at Pendrell Vale
1 copies - 1 average
Misty Rainforest
1 copies - 1 average
Yavimaya, Cradle of Growth
1 copies - 1 average