The 4 of spades. Remember Eb's friend Tadpole Talbot came for a visit and sang a song called "Four of spades" in the Douglas living room? Lines like, "I wanted to pick the queen of diamonds but instead ... I got the four of spades ... I got the four of spades." Then things like light bulbs and mirrors start to break around the living room as he sings and plays.
The Ace of spades is neat too since Mr. Howell picked it from a deck of cards on Giligan's Island and was horrified. (He called it the death card).