magarena/release/Magarena/scripts/Crescendo_of_War.groovy

[
    new MagicStatic(
        MagicLayer.ModPT,
        MagicTargetFilter.TARGET_CREATURE
    ) {
        @Override
        public void modPowerToughness(
                final MagicPermanent source,
                final MagicPermanent permanent,
                final MagicPowerToughness pt) {
            final int amount = source.getCounters(MagicCounterType.Charge);
            pt.add(amount,0);
        }
        @Override
        public boolean condition(final MagicGame game,final MagicPermanent source,final MagicPermanent target) {
            return target.isAttacking() || (target.isBlocking() && source.isFriend(target));
        }
    },
    new MagicAtUpkeepTrigger() {
        @Override
        public MagicEvent executeTrigger(final MagicGame game,final MagicPermanent permanent,final MagicPlayer upkeepPlayer) {
            return new MagicEvent(
                permanent,
                this,
                "PN puts a strife counter on SN."
            );
        }
        @Override
        public void executeEvent(final MagicGame game, final MagicEvent event) {
            game.doAction(new MagicChangeCountersAction(event.getPermanent(),MagicCounterType.Charge,1,true));
        }
    }
]