The Night's Watch. Loyal.
Character. Cost: 5. STR: 5.

Companion.

Reaction: After you marshal Northern Envoy, reveal the top 10 cards of an opponent's deck. Choose 1 non-unique character revealed this way and place it in its owner's discard pile. Shuffle that player's deck.

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Sea of Shadow (Unreleased) #52.

Link: Decklists

Northern Envoy