Most played cards in Bant Survival:

2 Decks
Noble Hierarch
8 copies - 4 average
Vengevine
8 copies - 4 average
Wall of Omens
8 copies - 4 average
Misty Rainforest
8 copies - 4 average
Celestial Colonnade
8 copies - 4 average
Path to Exile
6 copies - 3 average
Seaside Citadel
6 copies - 3 average
Negate
5 copies - 2.5 average
Jace, the Mind Sculptor
5 copies - 2.5 average
Elspeth, Knight-Errant
5 copies - 2.5 average
Sunpetal Grove
5 copies - 2.5 average
Birds of Paradise
4 copies - 2 average
Qasali Pridemage
4 copies - 2 average
Sovereigns of Lost Alara
4 copies - 2 average
Oblivion Ring
4 copies - 2 average
Knight of the Reliquary
4 copies - 2 average
Sea Gate Oracle
4 copies - 2 average
Fauna Shaman
4 copies - 2 average
Lotus Cobra
4 copies - 2 average
Martial Coup
3 copies - 1.5 average