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A method for playing a wagering game. The method includes conducting a basic game having a randomly selected outcome. The randomly selected outcome is selected from a plurality of outcomes and is indicated by a plurality of symbols. Each of the plurality of symbols has a first function. A side-wager

A method for playing a wagering game. The method includes conducting a basic game having a randomly selected outcome. The randomly selected outcome is selected from a plurality of outcomes and is indicated by a plurality of symbols. Each of the plurality of symbols has a first function. A side-wager option is presented that allows a player to change a function of a certain one of the plurality of symbols to one of a plurality of second functions. In response to the player selecting the side-wager option, one of the plurality of second functions is selected. Also, the second function is attributed to the certain one of the plurality of symbols when the randomly selected outcome is indicated.

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1. A method for playing a wagering game, the method comprising: conducting a basic game having a randomly selected outcome via a processor, the randomly selected outcome being selected from a plurality of outcomes and being indicated by a plurality of symbols having a first function;presenting a sid

1. A method for playing a wagering game, the method comprising: conducting a basic game having a randomly selected outcome via a processor, the randomly selected outcome being selected from a plurality of outcomes and being indicated by a plurality of symbols having a first function;presenting a side-wager option via a display, the side-wager option changing a function of a certain one of the plurality of symbols to one of a plurality of second functions;in response to the player selecting the side-wager option, selecting the one of the plurality of second functions, each of the plurality of second functions having a purchase amount; andattributing the second function to the certain one of the plurality of symbols when indicating the randomly selected outcome;wherein the purchase amount of each of the plurality of second functions is based upon a change of an expected value of the wagering game resulting from the use of the selected one of the plurality of second functions. 2. The method of claim 1, wherein the presenting comprises presenting a plurality of side-wager options, each of the plurality of side-wager options corresponding to a different one of the plurality of second functions. 3. The method of claim 2, wherein each of the plurality of side-wagers has a purchase amount. 4. The method of claim 3, wherein each of the plurality of side-wagers has the same purchase amount. 5. The method of claim 1 wherein the selecting the one of the plurality of second functions is performed by the player. 6. The method of claim 1 wherein the selecting the one of the plurality of second functions is delegated by the player to a gaming terminal. 7. The method of claim 1, wherein the conducting step comprises activating at least one of a plurality of paylines to play and choosing a wager amount for each of the plurality of paylines chosen. 8. The method of claim 7, wherein the presenting step only occurs if at least a predetermined number of the plurality of paylines are activated. 9. The method of claim 7, wherein the presenting step only occurs if at least a predetermined wager is placed on each of the plurality of paylines played. 10. A gaming terminal for playing a wagering game, comprising: a display displaying a plurality of symbols that indicate a randomly selected outcome of the wagering game; andan input device for allowing a player to select a function for a selected one of the plurality of symbols, the function being chosen from a plurality of functions, wherein the number of the plurality of functions presented to the player varies depending on a predetermined criteria;wherein, in response to the input device being activated and the randomly selected outcome including the selected one of the plurality of symbols, the selected function is attributed to only the selected one of the plurality of symbols included in the randomly selected outcome. 11. The gaming terminal of claim 10 wherein the plurality of functions includes at least one of a bonus-trigger function, a progressive-game-trigger function, a wild-function, a scatter function, an expanding-wild function, a multiplying-wild function, a re-spin function, an extra wild function, and a nudge function. 12. The gaming terminal of claim 10 wherein each of the plurality of functions increases the expected value of the wagering game. 13. The gaming terminal of claim 10 wherein all of the plurality of functions increase the expected value of the wagering game by the same amount. 14. The gaming terminal of claim 10 wherein the input device is included in a pop-up menu on the display. 15. The gaming terminal of claim 14 wherein the pop-up menu displays a plurality of symbols to select. 16. The gaming terminal of claim 10 wherein predetermined criteria is a wager amount or a number of pay lines played. 17. A gaming system comprising: at least one display;at least one gaming terminal for playing a wagering game having a randomly selected outcome being indicated by a symbol combination derived from a plurality of symbols, the symbol combination being aligned along a payline and the plurality of symbols each having a first function; anda controller coupled to the at least one gaming terminal and the at least one display, the controller operative to(i) allow a player to change the first function of one of the plurality of symbols to a player-selected function and the controller is adapted to assign a purchase amount to the player-selected function that is based upon a change of an expected value of the wagering game resulting from the use of the player-selected function, and(ii) in response to the player selecting the player-selected function of the one of the plurality of symbols and the one of the plurality of symbols being a part of the symbol combination, perform the player-selected function and change the appearance of the one of the plurality of symbols being a part of the symbol combination. 18. The gaming system of claim 17 wherein the display is part of the gaming terminal. 19. The gaming system of claim 17 wherein the controller is external to the gaming terminal. 20. The gaming system of claim 17, wherein the player-selected function is one of a plurality of functions presented by the controller. 21. The method of claim 1, further comprising in response to the player selecting the side-wager option, offering the player the opportunity to select the certain one of the plurality of symbols.