The first time your queen is captured, a new knight appears on your queen's starting square (d1 for White, d8 for Black), or on the nearest empty square of that rank if her home is taken. Triggers once.
You draft Insurance in Buff mode. Passive: it works on its own the whole time you hold it, with nothing to activate.
As a pieces card, it summons, revives, promotes, or converts a piece.
“Read the fine print, they always do.”