Most played cards in Dimir Scam:

4 Decks
Orcish Bowmasters
16 copies - 4 average
Brainstorm
16 copies - 4 average
Force of Will
16 copies - 4 average
Reanimate
16 copies - 4 average
Ponder
16 copies - 4 average
Grief
16 copies - 4 average
Polluted Delta
16 copies - 4 average
Wasteland
15 copies - 3.75 average
Underground Sea
15 copies - 3.75 average
Troll of Khazad-dûm
12 copies - 3 average
Fatal Push
12 copies - 3 average
Daze
12 copies - 3 average
Murktide Regent
10 copies - 2.5 average
Force of Negation
8 copies - 2 average
Brazen Borrower
8 copies - 2 average
Hydroblast
7 copies - 1.75 average
Surgical Extraction
7 copies - 1.75 average
Dress Down
7 copies - 1.75 average
Sheoldred's Edict
7 copies - 1.75 average
Sauron's Ransom
6 copies - 1.5 average