Most played cards in Prosperity Bloom:

1 Decks
Infernal Contract
4 copies - 4 average
Meditate
4 copies - 4 average
Squandered Resources
4 copies - 4 average
Natural Balance
4 copies - 4 average
City of Brass
4 copies - 4 average
Cadaverous Bloom
4 copies - 4 average
Prosperity
3 copies - 3 average
Gemstone Mine
3 copies - 3 average
Duress
3 copies - 3 average
Impulse
3 copies - 3 average
Sleight of Hand
3 copies - 3 average
Massacre
2 copies - 2 average
Energy Flux
2 copies - 2 average
City of Solitude
2 copies - 2 average
Dread of Night
2 copies - 2 average
Harmonic Convergence
1 copies - 1 average
Hydroblast
1 copies - 1 average
Timetwister
1 copies - 1 average
Hibernation
1 copies - 1 average
Yawgmoth's Will
1 copies - 1 average