In the Import window, make sure to select ALL FILES (not the default RECOMMENDED FILES) and specify QuickTime Movie as the format. Otherwise it will not allow access to the Motion project files.
Create your text, apply the Live Font and then change the duration bar in the Timeline or mini-timeline.
If it’s a specific duration animation (like Blueprint), select the type object and open the Text Inspector (F4). Towards the bottom of the list of parameters are timing controls. Change the speed parameter value.
I would try animating card face with the 3D filter then duplicating the object, changing the face on each, and offsetting the duration bars for each by a couple of frames.
I’m not at my production machine right now to test it, but try assigning the MIDI parameter behavior to one parameter, the duplicate the behavior and assign it to the other parameter.