Most played cards in BGW Rock:

3 Decks
Loxodon Hierarch
12 copies - 4 average
Temple Garden
9 copies - 3 average
Godless Shrine
9 copies - 3 average
Glittering Wish
8 copies - 2.67 average
Extirpate
8 copies - 2.67 average
Wrath of God
8 copies - 2.67 average
Castigate
8 copies - 2.67 average
Overgrown Tomb
8 copies - 2.67 average
Harmonize
7 copies - 2.33 average
Treetop Village
6 copies - 2 average
Putrefy
5 copies - 1.67 average
Crime // Punishment
5 copies - 1.67 average
Condemn
5 copies - 1.67 average
Llanowar Wastes
5 copies - 1.67 average
Wall of Roots
4 copies - 1.33 average
Farseek
4 copies - 1.33 average
Hypnotic Specter
4 copies - 1.33 average
4 copies - 1.33 average
Birds of Paradise
4 copies - 1.33 average
Flagstones of Trokair
4 copies - 1.33 average