Cartomancy supply (5)
I believe the answer is:
decks
(Other definitions for decks that I've seen before include "Packs of playing cards" , "Embellishes" , "Packs of cards (US)" , "Floors" , "Sets of cards" .)
I believe the answer is:
decks
(Other definitions for decks that I've seen before include "Packs of playing cards" , "Embellishes" , "Packs of cards (US)" , "Floors" , "Sets of cards" .)