Conjure mustard

You conjure guard dog (Fey, Celestial, or Fiend) in an unoccupied space that you can see within range. While it is within 50 feet of you you may communicate with it telepathically. The dog must be within 100 feet of you and on the same plane of existence or it is dispelled 

 rolls its own place in initiative. It will follow all verbal commands given by you if none or given it will follow you waiting for a command.