The Joker possesses no superhuman abilities, instead using his expertise in chemical engineering to develop poisonous or lethal concoctions and thematic weaponry, including razor-tipped playing cards, deadly joy buzzers, and acid-spraying lapel flowers.
The Ace of Spades (also known as the Spadille and Death Card) is traditionally the highest and most valued card in the deck of playing cards. The actual value of the card varies from game to game.