I also love monsters with camouflage ability, but you gotta keep an eye on blast or scattershot ability attacks. However, when in camouflage ruleset matches, it is rather like a game of fog of war, in both cases. I just focus on defending the front and maybe attract attacks with a big taunt ability monster, to keep my low health camouflaged units safe.
!pimp !BBH
Yes, you have to keep that in mind. You also have to watch out for the new ability Reveal, when using units with Camouflage.