Possible Clues:

• Mediaeval allegorical drama
• A drama created by PM swallowing pill a Tory doctored?
• The old drama of what's ethical at the abbey
• Sounds like principal's fun and games in old drama to teach others a lesson
• I'm loyal, party having got involved in a bit of old-fashioned drama
• Good behaviour to amuse oneself in medieval stage performance
• Soldiers in country, kind mostly set for dramatic work providing lessons
• Drama putting off my tailor, with wages covering last of material
• In mediaeval show Death has sport, felling one character
• Edifying drama