Custom accounts are for getting tweets in chat, not for auto-raiding them. Use target raids if you want a smash on a specific post.
Features
Custom accounts
Stream tweets from a project or team X account. Not a raid target feed.
Settings → Custom Accounts — add an X username. When that account posts, the group gets the tweet shortly after.
Limits: 1 watched account on free groups, 5 on All-Access.
Comments, templates, and AI from the influencer hub still apply to these posts.