Most played cards in Heartbeat Harvest:

2 Decks
Cranial Extraction
8 copies - 4 average
Sakura-Tribe Elder
8 copies - 4 average
Heartbeat of Spring
8 copies - 4 average
Early Harvest
8 copies - 4 average
Remand
7 copies - 3.5 average
Drift of Phantasms
6 copies - 3 average
Mana Leak
6 copies - 3 average
Boseiju, Who Shelters All
6 copies - 3 average
Recollect
5 copies - 2.5 average
Cruel Edict
4 copies - 2 average
Ideas Unbound
4 copies - 2 average
Kodama's Reach
4 copies - 2 average
Weird Harvest
4 copies - 2 average
Rampant Growth
4 copies - 2 average
Compulsive Research
4 copies - 2 average
Eye of the Storm
3 copies - 1.5 average
Gifts Ungiven
3 copies - 1.5 average
Tidings
3 copies - 1.5 average
Maga, Traitor to Mortals
2 copies - 1 average
2 copies - 1 average