Angmar Warg-rider
The Siege of Annúminas #26 (x3)
Enemigo
(35) 2 3 2 4
Orco.  

Archery 1.

Forced: After Angmar Warg-rider engages you, either remove 2 progress from the main quest, or it makes an immediate attack.

Shadow: Exhaust a character you control.