Most played cards in Ponza:

5 Decks
Sinkhole
20 copies - 4 average
Bayou
20 copies - 4 average
Ice Storm
20 copies - 4 average
Crumble
19 copies - 3.8 average
Mishra's Factory
18 copies - 3.6 average
Stone Rain
16 copies - 3.2 average
Badlands
16 copies - 3.2 average
Paralyze
16 copies - 3.2 average
Taiga
16 copies - 3.2 average
Nevinyrral's Disk
14 copies - 2.8 average
City of Brass
10 copies - 2 average
Sedge Troll
10 copies - 2 average
Maze of Ith
10 copies - 2 average
Flashfires
8 copies - 1.6 average
Gloom
8 copies - 1.6 average
Tsunami
7 copies - 1.4 average
Juzám Djinn
7 copies - 1.4 average
Shatter
6 copies - 1.2 average
City in a Bottle
6 copies - 1.2 average
Red Elemental Blast
6 copies - 1.2 average