Most played cards in Dimir:

5 Decks
Dismal Backwater
20 copies - 4 average
Counterspell
20 copies - 4 average
Preordain
19 copies - 3.8 average
Chainer's Edict
18 copies - 3.6 average
Doom Blade
16 copies - 3.2 average
Augur of Bolas
16 copies - 3.2 average
Dimir Aqueduct
14 copies - 2.8 average
Mulldrifter
14 copies - 2.8 average
Disfigure
12 copies - 2.4 average
Evincar's Justice
11 copies - 2.2 average
Duress
10 copies - 2 average
Dispel
9 copies - 1.8 average
Chittering Rats
8 copies - 1.6 average
Radiant Fountain
8 copies - 1.6 average
Hydroblast
8 copies - 1.6 average
Gurmag Angler
8 copies - 1.6 average
Echoing Decay
7 copies - 1.4 average
Exclude
7 copies - 1.4 average
Zombie Outlander
6 copies - 1.2 average
Forbidden Alchemy
6 copies - 1.2 average