{T}: Add {R} or {W}.

{R}{W}, {T}, Sacrifice Boros Cluestone: Draw a card.

"In case of fire, treachery, citywide riot, political upheaval, or worldwide societal collapse, break glass."
—Cluestone inscription

• Number: 175
• Rarity: C
• Type: Artifact
• Mana cost: 3
• Color: Colorless
• Artist: Raoul Vitale