How to use

stream

method

in

mage.cards.Cards

@Override
public boolean checkInterveningIfClause(Game game) {
  return cards.stream().anyMatch((cardId) -> (game.getState().getZone(cardId) == Zone.EXILED
      && game.getState().getZoneChangeCounter(cardId) == cardMap.getOrDefault(cardId, -5) + 1));
}