1: Capone frequently gets high (5)
2: Frost to cover the cake (3)
3: State nominates reformer (9)
4: A Muslim leader's energy efficiency ratio as a Muslim leader (5)
5: Leaders of Orioles and Rangers stick in the dugout? (3)
9: Something useful - like a matching collection? (5)
10: Old Testament character, New Testament incident (5)
11: Sort of uninitiated cheat (3)
13: Raw material for Swedish coins (3)