Most played cards in Auras:

1 Decks
Rancor
4 copies - 4 average
Hyena Umbra
4 copies - 4 average
Ethereal Armor
4 copies - 4 average
Razorverge Thicket
4 copies - 4 average
Windswept Heath
4 copies - 4 average
Gaddock Teeg
4 copies - 4 average
Leyline of Sanctity
4 copies - 4 average
Daybreak Coronet
4 copies - 4 average
Spider Umbra
4 copies - 4 average
Slippery Bogle
4 copies - 4 average
Gladecover Scout
4 copies - 4 average
Kor Spiritdancer
4 copies - 4 average
Path to Exile
4 copies - 4 average
Misty Rainforest
3 copies - 3 average
Spirit Mantle
3 copies - 3 average
Grafdigger's Cage
2 copies - 2 average
Seal of Primordium
2 copies - 2 average
Horizon Canopy
2 copies - 2 average
Stony Silence
2 copies - 2 average
Temple Garden
2 copies - 2 average