Goblin Tunnels
The Mines of Moria #52 (x1)
2 (6)

While Goblin Tunnels is in the staging area, each Goblin enemy gets +1 Attack

Forced: When Goblin Tunnels is explored, the opposing team searches the encounter deck and discard pile for a Goblin enemy with cost 1 or less and adds it to the staging area. Shuffle the encounter deck.