The way I handle this is by using the Tool Palettes. Here's what I do:
Create the text, get it set up exactly the way you want. Use anything as a placeholder for the MText. I just simply use "TEXT". Then, make it a block. Now you can drag/drop right onto a Tool Palette and from here you can right-click > Properties the block of text, and select it to Explode upon Insert. This is the quickest way IMHO to handle little customizations like this, without any actual programmable customizations.
Hope this helps.