If a player attacks with Arianne Martell and his opponent defends with Eddard Stark ( from Lords of Winter), what is the claim?
Relevant card text:
Arianne Martell
While Arianne Martell is attacking, raise the Claim value on your revealed plot card by 1.
Eddard Stark
While Eddard Stark is defending, lower the attacking player's claim to 0.