Hungry Troll
The Hobbit: Over Hill and Under Hill #54 (x3/x0)

When Revealed: The first player chooses a Troll enemy in the staging area and engages that enemy. If there are no Troll enemies in the staging area, this card gains Surge.

Shadow: Deal 4 damage to each character with a Sack card attached. (The first player may spend 2 resources to cancel this effect.)