Why do you think a maximum for Ambre
make it useless? for example a +3 max 7 or 8. 7 or 8 power is a decent power for any card but you will prevent to make a 10/12 Kolos
or a 13/6 kalindra and so but help clans with low pow (allstar, Nightmare
Of course if you want to use as an instant win card you are true but just loosers want to play like that and this was the main problem.
I'm not agree because you can make the clans as balanced as you want a courage +3 pow always be a something that you can't balanced.
If you add any other leaders to your deck its make it a little more power full but if you don't use your brain they are useless and they backfired on you. But when you use Ambre
you don't have to think to win and most of the times, as an opponent, you can think as many as you want you already loos.
I think its a very big difference between Ambre
and the other leaders. And you can't change it with the balancing out all the clane thing.