User blog comment:It's Good to be the Queen/5 x 12 & 5 x 13 - Dragonlord powers, activate?/@comment-3131129-20121211172519

When it says "Brother against brother", I don't think it means literally, I think it may mean magic against magic e.g. Merlin against Mordred. It may be after Mordred has 'killed' Arthur that Merlin takes revenge on Mordred. Additionally, I think Mordred will die :(