Amazing that you're still keeping up with this. I see you've done some from the Xeno series previously, I'm currently using your version of Mechanical Rhythm.
Could you do "Chain Attack" from Xenoblade 3? Not sure how well it'd work on mandachord but I'd love to see what you can do. I'm particularly interested in the section at about 0:45 here:
https://youtu.be/Y3JJ9qhTmsw?si=xc9sUTLmvvjO9Nxl