The Master Ring
A Shadow in the East #9 (x3)

Response: Exhaust The One Ring and raise your threat by 1 to cancel the effects of an encounter card just revealed from the encounter deck and discard that card. Then, reveal an encounter card.

“If I, wearing it, were to command you, you would obey, even if it were to leap from a precipice or to cast yourself into the fire.”
–Frodo, The Two Towers