Rebinding Mouse/Keyboard/Gamepad

Hi Everyone,
I know Halo MCC has controller support, but I was wondering if it’s possible to disable regular controller usage. I wanted to use a combination of a controller and a mouse to play the game. I tried it, but the controllers always revert itself to Gamepad settings. I also tried using JoyToKey to rebind the controllers outside of MCC. It ends up being unplayable as it swaps between gamepad settings and mouse aiming, halting one when doing the other. I struggle to use wasd and it’d be helpful to have some accesibility options related to this.

To give an example of a title where you can use the two in tandem. LFD2 allows you to enable or disable gamepads. If disabled, it treats your controller as a seperate set of buttons on a keyboard. While silly looking, I can do the movement with the left joystick and the aiming with the mouse. Perfect hybrid for the guy who grew up on halo.

Is there another program or some setting I missed that could be of assitance? I tried JoyToKey and was not quite succesful and got confused by the trial of reWASD.

Thanks for any help/reading the post