Most played cards in Humans :

1 Decks
Aether Vial
4 copies - 4 average
Thalia's Lieutenant
4 copies - 4 average
Champion of the Parish
4 copies - 4 average
Horizon Canopy
4 copies - 4 average
Noble Hierarch
4 copies - 4 average
Wasteland
4 copies - 4 average
Thalia, Guardian of Thraben
4 copies - 4 average
Cavern of Souls
4 copies - 4 average
Ancient Ziggurat
4 copies - 4 average
Kitesail Freebooter
3 copies - 3 average
Mother of Runes
3 copies - 3 average
Skyclave Apparition
3 copies - 3 average
Unclaimed Territory
3 copies - 3 average
Meddling Mage
3 copies - 3 average
Deputy of Detention
2 copies - 2 average
Surgical Extraction
2 copies - 2 average
Knight of Autumn
2 copies - 2 average
Dismember
2 copies - 2 average
Imperial Recruiter
2 copies - 2 average
Plague Engineer
2 copies - 2 average