public boolean apply(Game game, Ability source) {
Player targetPlayer = game.getPlayer(source.getFirstTarget());
Player player = game.getPlayer(source.getControllerId());
if (player != null && targetPlayer != null) {
TargetCardInLibrary target = new TargetCardInLibrary(0, amount, new FilterCard("cards to exile"));
if (player.searchLibrary(target, game, targetPlayer.getId())) {
List<UUID> targets = target.getTargets();
for (UUID targetId : targets) {
Card card = targetPlayer.getLibrary().remove(targetId, game);
if (card != null) {
card.moveToExile(null, "", source.getSourceId(), game);