You missed one (repeated one twice).
7 Deadly Sins: "Lust", "Gluttony", "Greed", "Sloth", "Wrath", "Envy", and "Pride".
I will try to think of something, but I'm mainly a card magician, so it will be a card trick with a patter for one of the sins.
edit: You can use a variation of "Kanibal...