Most played cards in Lands:

1 Decks
Life from the Loam
4 copies - 4 average
Exploration
4 copies - 4 average
Thespian's Stage
4 copies - 4 average
Dark Confidant
4 copies - 4 average
Bazaar of Baghdad
4 copies - 4 average
Wasteland
4 copies - 4 average
Null Rod
3 copies - 3 average
Riftstone Portal
3 copies - 3 average
Ancient Grudge
3 copies - 3 average
Grove of the Burnwillows
3 copies - 3 average
Dark Depths
3 copies - 3 average
Manabond
2 copies - 2 average
Ghost Quarter
2 copies - 2 average
Abrupt Decay
2 copies - 2 average
Grafdigger's Cage
2 copies - 2 average
Crop Rotation
2 copies - 2 average
Mental Misstep
2 copies - 2 average
Sphere of Resistance
2 copies - 2 average
Punishing Fire
2 copies - 2 average
Nature's Claim
2 copies - 2 average