House Stark. Non-Loyal.
Event. Cost: 1.

Play only if there is a Winter plot card in your used pile.

Reaction: After a character you control is sacrificed or killed, put a character with equal or lower printed cost into play from your hand.

Tomasz Jedruszek
Wolves of the North #22.

Link: Decklists

As Hard as Winter
Reviews

can i put a copy of a card? for example.. i sacrifice a BRAN STARK to cancel a event and play HARD AS WINTER to put another BRAN from my hand (not the same).. .can i?

naitz 3
Correct, you can do that. — Aaron Groth 3