Deck of Hands
From Drunkapedia
You allow Jester to examine your Seven of Hands.
Jester tells you, "Oh goody, you found one. Come back when you have the whole deck."
It appears the cards must be combined in order, they are givable/tradable.
Part of the Jester's Cards quest, the cards that make up the Deck of Hands are:
Verified to drop off the following creatures:
See also Deck of Eyes.