Most played cards in Ninjas:

5 Decks
 ↓ Force of Will
20 copies – 4 avg
↓ Polluted Delta
20 copies – 4 avg
↓ Prismatic Vista
20 copies – 4 avg
↓ Ornithopter
20 copies – 4 avg
↓ Brainstorm
20 copies – 4 avg
↓ Ingenious Infiltrator
19 copies – 3.8 avg
↓ Retrofitter Foundry
18 copies – 3.6 avg
↓ Ponder
17 copies – 3.4 avg
↓ Changeling Outcast
17 copies – 3.4 avg
↓ Yuriko, the Tiger's Shadow
16 copies – 3.2 avg
↓ Baleful Strix
13 copies – 2.6 avg
↓ Surgical Extraction
11 copies – 2.2 avg
↓ Plague Engineer
11 copies – 2.2 avg
↓ Back to Basics
10 copies – 2 avg
↓ Fatal Push
9 copies – 1.8 avg
↓ Daze
8 copies – 1.6 avg
↓ Underground Sea
8 copies – 1.6 avg
↓ Snuff Out
8 copies – 1.6 avg
↓ Force of Negation
7 copies – 1.4 avg
↓ Murderous Cut
7 copies – 1.4 avg