Encounter
Treachery

When Revealed: The villain schemes.

"The world will be mine!" — Red Skull
Core Set #186. Standard #1-2.
Advance
Encounter
Treachery

When Revealed (Alter-Ego): This card gains surge.

When Revealed (Hero): The villain attacks you.

"Die!" — Venom
Core Set #187. Standard #3-4.
Assault
Encounter
Treachery

When Revealed: Discard an upgrade or support you control. If no cards were discarded this way, this card gains surge.

Boost:
Core Set #188. Standard #5.
Caught Off Guard
Encounter
Treachery

When Revealed (Alter-Ego): This card gains surge.

When Revealed (Hero): The villain and each minion engaged with you attacks you.

Boost:
Core Set #189. Standard #6.
Gang-Up
Encounter
Treachery

When Revealed: Reveal your set-aside nemesis minion and put it into play engaged with you. Reveal your set-aside nemesis side scheme and put it into play. Shuffle the rest of your set-aside nemesis encounter set into the encounter deck. If your nemesis minion does not enter the game this way, this card gains surge.

Boost:
Core Set #190. Standard #7.
Shadow of the Past