You can learn which cards from your own hand are safe to discard & which ones you should hold onto to complete your combinations by keeping an eye on the cards that are being discarded. To become an expert at thenew game download game of Rummy, you must learn sophisticated card combos. Strategically using wild cards to finish sets and runs is one sophisticated tactic. Wild cards are very useful for creating combinations because they can be used to replace any other card in the deck in many different variations of Rummy. Your opponents will be slower to complete sets and runs if you use wild cards strategically to fill in the gaps in your hand.