Most played cards in Terragedon:

2 Decks
Swords to Plowshares
8 copies - 4 average
Windswept Heath
8 copies - 4 average
Weathered Wayfarer
8 copies - 4 average
Wasteland
8 copies - 4 average
Armageddon
7 copies - 3.5 average
Sylvan Library
7 copies - 3.5 average
Mox Diamond
7 copies - 3.5 average
Terravore
7 copies - 3.5 average
Brushland
7 copies - 3.5 average
Rishadan Port
6 copies - 3 average
Tormod's Crypt
5 copies - 2.5 average
Wall of Roots
4 copies - 2 average
Survival of the Fittest
4 copies - 2 average
Nimble Mongoose
4 copies - 2 average
Birds of Paradise
4 copies - 2 average
Naturalize
4 copies - 2 average
Engineered Plague
4 copies - 2 average
Circle of Protection: Red
3 copies - 1.5 average
Call of the Herd
3 copies - 1.5 average
Treetop Village
3 copies - 1.5 average