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).
