Coup
Mustering of the Rohirrim #158 (x1)
Treachery

When Revealed: Each player must choose: either raise your threat by 6, or discard a hero you control from play. Add Coup to the victory display. This effect cannot be canceled.

“When I heard that Shadowfax had come back riderless, I rejoiced at the return of the horse, but still more at the lack of the rider.” —Gríma, The Two Towers