How do Mystery cards placed by the Good Luck event get triggered, and what does the Threat Action 'look at 2' give?

Question

Accepted Answer

A Mystery token on an action field resolves its card after the next action of that type. A token on an island tile resolves when you act there. The look-at-2 action only previews the next two cards.

Robinson Crusoe: Adventures on the Cursed Island

How do Mystery cards placed by the Good Luck event get triggered, and what does the Threat Action 'look at 2' give?