Neutral.
Event. Cost: 3.

House Frey.

Reaction: After you win a challenge in which you control an attacking House Frey character, if it was the third challenge you initiated this phase, choose and kill a character controlled by the losing opponent. (Choose and kill 3 characters instead if you won by 20 or more STR.)

Colin Boyer
The Red Wedding #79.

Link: Decklists

Frey Hospitality
Reviews

Rules FAQ:

  • If you win by 20+ STR, the losing opponent must have at least 3 characters in order for you to be able to play this event. (Source)
mplain 171