Playing Rummy 51 requires you to know when to draw cards from the draw pile and when to discard cards from your hand. By discarding cards that fantafeat loginare not helpful to you, you can get rid of them, while drawing cards allows you to add new cards to your hand that may help you form sets and runs. Putting your early game focus on forming sets and runs will help you have more options for discarding cards that are not helpful to you.
