Hello and welcome to Just Answer !
The only things you can do, is make her feel safe and keep reassuring her that mommy is mistaken, she will alway's be able to see mommy, but right now, mommy is up set and not thinking straight !
Get that councelor as soon as possible ! Both kids are going to be hurt when this goes down, and apparently she is not above using manipulation ! If she really loved her daughter she would not use her in this way. Check with your lawyer also about whether you can record her conversations to prove in court and for the councelor to hear what she is doing to her child, that way they will know how best to deal with the situation !
You are a brave man, and very wise to be carefull, your daughter's well being and mental health depend's on it. Just keep understanding and and listening !
If you want to discuss this more I will be back around 9: pm
I understand totally, my first wife and I had some problems in this area also, but we both loved our three girls and were able after counseling was able to work through it ! And don't worry about a tip I am so glad to just be able to help !
If you need any thing else or just to talk I'm here for you !
You are making excellent decisions, for yourself and daughter !
With your kindness and consideration, this will be worked through !
Good Luck, to you !