Halfling Bounder
The Sands of Harad#5 (x3)
[2] 1 1 0 2
While there is a side quest in the victory display, Halfling Bounder gains: "Response: Discard Halfling Bounder to cancel the 'when revealed' effects of an encounter card that was just revealed from the encounter deck."

"The Bounders have never been so busy before."
-Sam Gamgee, The Fellowship of the Ring