Players have more choices and flexibility when playing because these cards can usually be used as wild or special cards to finish sets or runs. These cards have the abilonline slots freeity to drastically alter the outcome of a game, which has significant strategic ramifications. The function of the 51 Bonus Cards can change based on the particular rules that the players choose to follow. These cards can be used to negate the effects of other cards, draw extra cards, or trade cards with opponents in certain variations.