While drawing from the draw pile, players can keep their plans hidden from their rivals, but they also don't know exactly which cards are in the deck. However, when pulling cards froexplore slots gamem the discard pile, players run the risk of giving their opponents away as to which cards they are collecting even though they can see which cards have recently been discarded & take advantage of that information. A smart strategy weighs these factors in equal measure and bases choices on the particulars of the game. Card Management: Keeping and Throwing Away.