Runesword [The Dark]Set: The Dark Type: Artifact Rarity: Uncommon Cost: {6} {3}, {T}: Target attacking creature gets +2 +0 until end of turn. When that creature leaves the battlefield this turn, sacrifice Runesword. If the creature deals damage to a creature this turn, the creature dealt damage can't be regenerated this turn. If a creature dealt damage by the targeted creature would die this turn, exile that creature instead.