Related Clues:

• Ex-soldier
• Holds the head of a Baptist on the end of a phone
• High-spirited mount
• Holy man gets reports of fourth letter coming back by way of spirited horse
• Noble horse
• ''. . . as a __ that knows its rider'': Byron
• Has experience of cards from previous deal perhaps
• Horse in battle
• One of "The Avengers"
• Describing a pre-1905 car (or pre-1919 at a pinch?)
• Medieval mount or Dodge muscle car
• Fine mount
• Army retiree
• Old soldier — there could be a few neater characters
• Knightly ride