How to Chain Any Combination of Built-in Drafts Actions without Writing New Custom Actions

For example, I may write a 140-character draft that I want to crosspost to multiple Twitter accounts, my account, my Facebook account, log it to a Dropbox file or an Evernote note, send it as both an iMessage and an email to multiple recipients in my circle of friends. Even though I can create a very long chain of actions to do all of the above, I sometimes want to do a simple crosspost to Twitter and only. Other times, I want to share it on Facebook and email only. It would be great if I could write an action that can handle this:

As always, Eric comes with a great new use for Drafts. A must-read.