[
    new MagicWhenComesIntoPlayTrigger() {
        @Override
        public MagicEvent executeTrigger(final MagicGame game,final MagicPermanent permanent, final MagicPayedCost payedCost) {
            return new MagicEvent(
                permanent,
                this,
                "Destroy all tapped creatures."
            );
        }
        @Override
        public void executeEvent(final MagicGame game, final MagicEvent event) {
            final Collection<MagicPermanent> targets =
                game.filterPermanents(event.getPlayer(),MagicTargetFilter.TARGET_TAPPED_CREATURE);
            game.doAction(new MagicDestroyAction(targets));
        }
    }
]