The Treason of Saruman #10 (x3)
Item.   Weapon.  

Attach to a Rohan hero. Restricted.

Reduce the cost to play Herugrim on Théoden by 1.

Response: After attached hero is declared as an attacker, exhaust Herugrim to add attached hero's to its for this attack.

"Here, lord, is Herugrim, your ancient blade." –Háma, The Two Towers