Ace of Spades meaning in Cartomancy and Tarot CardariumAce in β represents power in a deck of cards. It represents a symbol of enigma, might, and intuition. The Knave for Spades may also suggest a dark-haired person or a person that is skilled in their craft. This card frequently carries an air of being mystery and can signify the importance of trusting one's own instincts when dealing with a particular scenario.