Ace
To dream of the ace in the deck of cards represents a conforming advantage in a strategic situation. Good luck or an upper hand that conforms to your benefit when you take a chance.
Example: A man dreamed of winning blackjack with an ace of diamonds. In real life he took a chance paying a deposit on an apartment he wasn't sure he could ever move to because uncertainty with his employer. The ace of diamonds reflected the good luck he experienced when his employer did everything he needed to assist him with the apartment.