Most played cards in Terrageddon :

454 Decks
Mox Diamond
16 copies - 0.04 average
Windswept Heath
16 copies - 0.04 average
Swords to Plowshares
16 copies - 0.04 average
Wasteland
15 copies - 0.03 average
Terravore
15 copies - 0.03 average
Armageddon
12 copies - 0.03 average
Weathered Wayfarer
12 copies - 0.03 average
Sylvan Library
10 copies - 0.02 average
Engineered Plague
9 copies - 0.02 average
Werebear
9 copies - 0.02 average
Nimble Mongoose
8 copies - 0.02 average
Ray of Revelation
8 copies - 0.02 average
Meddling Mage
8 copies - 0.02 average
Tranquil Thicket
7 copies - 0.02 average
Naturalize
6 copies - 0.01 average
Rishadan Port
6 copies - 0.01 average
Undiscovered Paradise
6 copies - 0.01 average
Secluded Steppe
5 copies - 0.01 average
Cataclysm
5 copies - 0.01 average
Gemstone Mine
5 copies - 0.01 average