[
    new MagicWhenDiscardedTrigger() {
        @Override
        public MagicEvent getEvent(final MagicPermanent permanent,final MagicCard card) {
            return permanent.isEnemy(card) ?
                new MagicEvent(
                    permanent,
                    card.getController(),
                    this,
                    "SN deals 2 damage to PN."
                ):
                MagicEvent.NONE;
        }
        @Override
        public void executeEvent(final MagicGame game, final MagicEvent event) {
            final MagicDamage damage = new MagicDamage(
                event.getSource(),
                event.getPlayer(),
                2
            );
            game.doAction(new MagicDealDamageAction(damage));
        }
    }
]