Wild cards cannot be exchanged for the card they were substituted for during any hand. These wild cards can be used in the place of any card or color. If you use the black 14s, you must remove the other 14s from the deck). If not, use 2 black 14s with the rook cards. Wild cards - 4 are needed (Use the 2 Rook cards and 2 advertising cards if your set has some. Some people use 3 decks (6 wild cards) with 6 or more players.
This is based on the game Contract Rummy or Shanghai Rummy (see also Toonerville Rook - another Contract Rummy game played with Rook cards).
