Twilight's Fall – a separate game. Twilight Imperium's expansions, mods and rules topics are not part of it.

Subterfuge

Trap attachments are attached facedown and remain hidden until revealed; you may look at Trap attachments at any time. You do not count trap attachments toward fulfilling objectives.
Li-Zho DynastyFaction ability

Trap attachments are attached facedown and remain hidden until revealed; you may look at Trap attachments at any time. You do not count trap attachments toward fulfilling objectives.

Source: Discordant Stars