Urdug
The Fate of Wilderland #157 (x1)
Enemy
(50) 2 3 2 5
Orc.   Goblin.  

Immune to player card effects. Cannot leave the staging area.

Forced: When Urdug attacks, discard the top card of the encounter deck. He gets +XAttack for this attack, where X is the discarded card's printedThreat

When Urdug is destroyed, the players win the game.