Most played cards in BG ponza:

2 Decks
Bayou
8 copies - 4 average
Elves of Deep Shadow
8 copies - 4 average
Hypnotic Specter
8 copies - 4 average
Dark Ritual
6 copies - 3 average
Hymn to Tourach
6 copies - 3 average
Tranquility
6 copies - 3 average
Erhnam Djinn
6 copies - 3 average
Gloom
6 copies - 3 average
Royal Assassin
6 copies - 3 average
Sinkhole
6 copies - 3 average
Pendelhaven
6 copies - 3 average
Paralyze
4 copies - 2 average
Scavenger Folk
4 copies - 2 average
Order of the Ebon Hand
4 copies - 2 average
Sengir Vampire
4 copies - 2 average
Crumble
4 copies - 2 average
Ice Storm
4 copies - 2 average
Icy Manipulator
4 copies - 2 average
Whirling Dervish
4 copies - 2 average
Sylvan Library
2 copies - 1 average