a card from the top of the face-down deck. Wild cards Jokers are wild cards, and can represent any card (suit and number). However there are restrictions on their usage. Sets must include at least 2 non-wildcards. (Example: .) Runs must include at least 3 non-wildcards in an original 4 card grouping. (Example: ) During their turn while playing off another player, a player may replace that other player's laid Joker from within a run with the card it is substituting, so long as that Joker is placed somewhere else before the player concludes their turn. An easy way for a player to "waste" the extra Joker if it doesn't allow them to lay additional cards is to simply add it to a set, as this prohibits another player from performing the wild card substitution trick again. Playing off other players Once a player has laid down, they can then attempt to further reduce the number of cards in their hand by adding to other players' laid cards. For example, a could be added to an existing set of 3s ( ) or a suitable a run of hearts ( ) from another player. Calling rummy Once a player has laid down, their discard must not fit into either their own or any other player's laid cards. If this is the case, every other player has until the commencement of the next player's turn to call rummy on the offending player, in which case that offending player picks up their discard and one additional card from the top of the deck. Once a player lays their cards down to 'go out' of a round, rummy rules no longer apply. Evaluation of the hand At the end of each round when a player goes out, the rest of the players total their scores by counting up the value of the cards remaining in their hands. Cards are valued as follows: 2 through 9 are 5 points each. 10, J, Q and K are 10 points each. Aces & Jokers are 15 points each. The player with the lowest point total at the end of final round wins, so players usually work to lower their scores by going down, playing off other players who have gone down and, secondarily, replacing high cards (such as face cards and aces) with lower ones. Going out A player goes out when they successfully discard the