[
    new MagicStatic(MagicLayer.ModPT) {
        @Override
        public void modPowerToughness(
                final MagicPermanent source,
                final MagicPermanent permanent,
                final MagicPowerToughness pt) {
            final MagicGame game = source.getGame();
            final int size = game.filterPermanents(
                    permanent.getController(),
                    MagicTargetFilter.TARGET_SQUIRREL_CREATURE).size() - 1;
            pt.add(size,size);
        }
    }
]