Divide into teams.
One team rolls the die and follows these directions:
#1—choose any category
#6—other team chooses a category for you
The teacher mixes up the SM cards and randomly reads clues from the correct category [from the backs of the scripture mastery cards]. Some of the statements are valid for several different SM. If they say a different SM than the one you are reading from, let them have the point if they can substantiate it.
Also, you may want to modify the clues a bit to narrow it down to that particular reference.