Player A (Night's Watch) destroys Player B's (Greyjoys) unit and plays 'Take the Black', then Player B plays 'What is Dead May Never Die'. How should this play out?
There was an answer regarding "What is Dead May Never Die" and "To the Last!": both were supposed to have a trigger that says "When the unit WOULD BE destroyed" and not "When the unit IS destroyed". So, these abilities happen before the unit is destroyed at all: meaning, "Take the Black" can't be played.