A lot of Motion textbased projects become much easier to execute if you use the option of exporting text as shapes from Pixelmator Pro. Here’s a simple example of that. (And, no, Pixelmator have not sponsored this video.)
And below are some of my old tutorials which would have benefited from the availability of this excellent option:
Weld:    • Apple Motion 5: Weld Cutter Title Tut...  
Writing with Sparks:    • Apple Motion: “Drawing with Sparks” T...  
Sweeping Lines:    • Apple Motion: Sweeping Lines Logo Tut...  
Ray Tracing:    • Video  
Electric Logo:    • Apple Motion: Electric Logo Reveal  
Light Art:    • Apple Motion 5: Light Art Tutorial  
Laser:    • Apple Motion 5: Laser Tutorial