magarena/release/Magarena/scripts/Carapace_Forger.groovy

[
    new MagicStatic(MagicLayer.ModPT) {
        @Override
        public void modPowerToughness(final MagicPermanent source,final MagicPermanent permanent,final MagicPowerToughness pt) {
            if (MagicCondition.METALCRAFT_CONDITION.accept(permanent)) {
                pt.add(2,2);
            }
        }
    }
]