Actually Izzy using Mjolak and Neerc se'ulb will make you more chaotic. Each time their special goes off your alignment changes thus:
L++ goes down 10
L+ goes down 8
L goes down 6
L- goes down 4
N+ goes down 2
N doesn't change
N- goes up 2
C+ goes up 4
C goes up 6
C- goes up 8
C-- goes up 10