Most played cards in Humnas:

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