[
    new MagicPermanentActivation(
        MagicActivation.NO_COND,
        new MagicActivationHints(MagicTiming.Removal),
        "Life+4") {
        @Override
        public MagicEvent[] getCostEvent(final MagicPermanent source) {
            return [new MagicSacrificeEvent(source)];
        }
        @Override
        public MagicEvent getPermanentEvent(final MagicPermanent source,final MagicPayedCost payedCost) {
            return new MagicEvent(
                source,
                this,
                "PN gains 4 life."
            );
        }
        @Override
        public void executeEvent(
                final MagicGame game,
                final MagicEvent event) {
            game.doAction(new MagicChangeLifeAction(event.getPlayer(),4));
        }
    }
]