Mystery Rummy Case #4: Al Capone and the Chicago UnderworldMystery Rummy: Al Capone and the Chicago Underworld, the fourth title in the Mystery Rummy series, introduces some elements of Canasta with players scoring bonuses for collecting complete sets. Sets have varying numbers of cards in them, from Mike Heitler with four cards up to Al Capone with eight. The four types of gavel card make cards accessible everywhere: "Agent Meeting" searches other players' hands, "Eliot Ness" searches the deck, "Search