Uruk Prowler
The Crossings of Poros #148 (x2)
Enemy
(45) 3 4 2 5
Orc.   Uruk.  

When Revealed: Either place a random enemy from the set aside Mordor Orcs set into the encounter discard pile, or Uruk Prowler makes an immediate attack against the first player.

Shadow: Discard a random card from your hand.