Rules FAQ
- If the character is killed by Valar Morghulis (or a similar card that affects the entire board), and you discard Missandei and put her into play with her ability, Missandei will not be killed. Same story if you put a character into play with Reznak mo Reznak. Note that Reznak reacts to the cost of Ser Rolly's ability, so he will still be in play and can be triggered even if he is about to be killed himself.