[
    new MagicPermanentActivation(
        new MagicActivationHints(MagicTiming.Removal),
        "Weaken"
    ) {

        @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,
                MagicTargetChoice.NEG_TARGET_CREATURE,
                new MagicWeakenTargetPicker(1,1),
                this,
                "Target creature\$ gets -1/-1 until end of turn."
            );
        }

        @Override
        public void executeEvent(final MagicGame game, final MagicEvent event) {
            event.processTargetPermanent(game,new MagicPermanentAction() {
                public void doAction(final MagicPermanent creature) {
                    game.doAction(new MagicChangeTurnPTAction(creature,-1,-1));
                }
            });
        }
    }
]