Most played cards in Land:

2 Decks
Mox Diamond
8 copies - 4 average
Wasteland
8 copies - 4 average
Thespian's Stage
8 copies - 4 average
Exploration
8 copies - 4 average
Sphere of Resistance
8 copies - 4 average
Gamble
8 copies - 4 average
Crop Rotation
8 copies - 4 average
Life from the Loam
8 copies - 4 average
Grove of the Burnwillows
7 copies - 3.5 average
Dark Depths
7 copies - 3.5 average
Ghost Quarter
7 copies - 3.5 average
Krosan Grip
6 copies - 3 average
Punishing Fire
6 copies - 3 average
Tireless Tracker
5 copies - 2.5 average
Maze of Ith
4 copies - 2 average
Taiga
4 copies - 2 average
Tranquil Thicket
3 copies - 1.5 average
Karakas
2 copies - 1 average
Glacial Chasm
2 copies - 1 average
Molten Vortex
2 copies - 1 average