Hey! Nice post! I like all of your suggestions, but would like to add a few of my own as someone who has been savage/ultimate raiding on MCH for many, many years.

1. Allow the MCH to activate Pile Bunker and Crowned Collider manually. This gives more interaction with Queen and allows the MCH to feel the impact of the skills.

2. Melee range chainsaw. This combined with MCH's desire to not drift a single millisecond would create a lot of room for optimization and skill expression.

QoL Changes Suggested

1. Have Queen attack the target you are attacking. This is immensely needed and will alleviate a lot of headache using her in multi-target fights.