Hunters from Mordor
The Hunt for Gollum #21 (x5/x2)
Enemy
(34) 2 2 2 6
Mordor.  

Hunters from Mordor get +2 Attack and +2 Threat for each Clue card in play.

Shadow: Deal 1 damage to each hero with a Clue card attached. (3 damage instead if this attack is undefended.)