Most played cards in Seismic Loam:

4 Decks
Loxodon Hierarch
16 copies - 4 average
Birds of Paradise
16 copies - 4 average
Seismic Assault
16 copies - 4 average
Tarmogoyf
15 copies - 3.75 average
Lightning Helix
15 copies - 3.75 average
Stomping Ground
15 copies - 3.75 average
Edge of Autumn
14 copies - 3.5 average
Flagstones of Trokair
14 copies - 3.5 average
Treetop Village
14 copies - 3.5 average
Life from the Loam
14 copies - 3.5 average
Horizon Canopy
13 copies - 3.25 average
Sacred Foundry
12 copies - 3 average
Wall of Roots
11 copies - 2.75 average
Boom // Bust
11 copies - 2.75 average
Incinerate
11 copies - 2.75 average
8 copies - 2 average
Temple Garden
7 copies - 1.75 average
Tormod's Crypt
6 copies - 1.5 average
Ancient Grudge
5 copies - 1.25 average
Goblin Lore
4 copies - 1 average