Dear shadow,
Just throwing in some ideas for you to explore.
The enabler kext above is for ML? Where did you get it from? I think the kext injection for your graphics card may not be working.
Have you tried to inject from chameleon? Have you tried booting with GraphicsEnabler=Yes?
Further, if you can extract or find the efi string from somewhere for your graphics card you can try to add them in device properties box and enable it using Chameleon Wizard.
Cheers!