DC Fistful of Dollars Casino

Order the hands
. flush
. pair of 7s
. pair of 5s
. pair of 4s
. King high
. 10 high

Index card value into casino name (Face cards count their value, not 10)

Read letters vertically
s c h r p
p l e o r
a o a y i
d v r a m
e e t l e
s r s s s

Leaving the hands in order and looking at only the cards of the specified types reveals
letters.

The answer is: RISER