Wait no Longer
The Mûmakil #5 (x3)

Response: At the beginning of the quest phase, search the top 5 cards of the encounter deck for an enemy and put it into play engaged with you. Then, reveal 1 less encounter card this phase (to a minimum of 0). Shuffle the encounter deck.

"We must press our Enemy, and no longer wait upon him for the move."
–Aragorn, The Return of the King