Is Vertigo's effect a Fight effect or an Ambush effect, and what counts as your hand when it makes you discard?

Question

Accepted Answer

It is a Fight effect. When it makes you discard a card from hand, only the cards still in your hand count, and cards already played this turn are no longer in hand.

Legendary: A Marvel Deck Building Game

Is Vertigo's effect a Fight effect or an Ambush effect, and what counts as your hand when it makes you discard?