Game had Prince and Border Guard (and Patrician). No other way to get plus actions, so I bought several Princes and planned to marry each with either Border Guard or Patrician, in order to start each turn with that extra action(s). I did do this, and twice paired Prince with BG. And quickly added the Horn and Lantern. But, somehow, the choice I made at the end of each turn in regards to Horn-BG screwed this up. Is Border Guard a rare exception (ie, not one of those Duration cards that we already know do not play nicely with Prince) of a regular Action card that can waste the Prince effect for the rest of the game? I am assuming--but am not 100% sure--that things would have worked find, if not for the Horn's effect, yes?
What choice (if any) should a player pick re Horn, in order to keep Border Guard paired with Prince at the end of each turn...to preserve that valuable effect? Or, is it not possible--in which case, of course, any player with this combo would never accept the opportunity to pick up the Horn.