Smoke and Mirrors
Murder at the Prancing Pony #27 (x3)
Perfidia

When Revealed: Discard the top X cards of the encounter deck, where X is 1 more than the Investigate value of the active location. Until the end of the phase, add the Threat of each card discarded by this effect to the total Threat in the staging area.

Shadow: Discard an attachment you control.