Most played cards in Dimir:

1 Decks
Field of Ruin
4 copies - 4 average
Creeping Tar Pit
4 copies - 4 average
Liliana of the Veil
4 copies - 4 average
Polluted Delta
4 copies - 4 average
Surgical Extraction
4 copies - 4 average
Darkslick Shores
4 copies - 4 average
Fatal Push
4 copies - 4 average
Spreading Seas
4 copies - 4 average
Collective Brutality
4 copies - 4 average
Serum Visions
4 copies - 4 average
Jace, the Mind Sculptor
3 copies - 3 average
Negate
3 copies - 3 average
Cryptic Command
3 copies - 3 average
Snapcaster Mage
2 copies - 2 average
Liliana, the Last Hope
2 copies - 2 average
Ratchet Bomb
2 copies - 2 average
Kalitas, Traitor of Ghet
2 copies - 2 average
Thoughtseize
2 copies - 2 average
Go for the Throat
2 copies - 2 average
Damnation
2 copies - 2 average