Sudden Ambush
The Aldburg Plot #34 (x1)
Treachery

When Revealed: The first player must choose: either raise your threat by 4, or the topmost enemy in the encounter discard pile engages you and makes an immediate attack. You must declare the ready character you control with the highest Willpower as the defender for this attack, if able.

Shadow: Resolve this card's “when revealed” effect.