Combinations & gameplay. If a player wants to succeed at Rummy, they must comprehend these basic combinations. A predetermined number of cards—usually seven or ten, derummy 9pending on the variant being played—are dealt to each player at the start of the game. One card is positioned face-up to begin the discard pile, & the other cards form a draw pile. Before discarding one card from their hand, each player takes a turn drawing cards from the draw or discard pile. winning the match and getting points.