Most played cards in Ponza:

3 Decks
Ice Storm
12 copies - 4 average
Taiga
12 copies - 4 average
Sinkhole
12 copies - 4 average
Stone Rain
12 copies - 4 average
Bayou
12 copies - 4 average
Badlands
12 copies - 4 average
Mishra's Factory
12 copies - 4 average
Crumble
11 copies - 3.67 average
Nevinyrral's Disk
8 copies - 2.67 average
Paralyze
8 copies - 2.67 average
Flashfires
6 copies - 2 average
City of Brass
6 copies - 2 average
Sedge Troll
6 copies - 2 average
Maze of Ith
6 copies - 2 average
Tsunami
5 copies - 1.67 average
Juzam Djinn
5 copies - 1.67 average
Red Elemental Blast
5 copies - 1.67 average
Gloom
4 copies - 1.33 average
City in a Bottle
4 copies - 1.33 average
Drop of Honey
4 copies - 1.33 average