Thicker than Water by W.C. Tuttle

In the meantime Chuck Ring and Scotty McKay had gone to the Eagle, where they learned that Angel had won twenty-five hundred dollars from old Rance McCoy.

"That's a lot of money," declared Chuck, accepting a drink on the house. "I seen old Chuckwalla separatin' the suits of a deck of cards over there on the sidewalk, and I wondered who he was tryin' to freeze a deck onto. Here's how, gents."