House Tyrell. No Leal.
Character. Coste: 3. FUE: 3.

Maester.

Reaction: After you win a challenge in which Agent of the Citadel is participating, sacrifice it to reveal the top card of your deck. Reduce the cost of the next card you bring out of shadows this phase by X. X is the printed cost of the revealed card.

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Sea of Shadow (Unreleased) #90.

Link: Decklists

Agent of the Citadel