magarena/release/Magarena/scripts/Boil.groovy

[
    new MagicSpellCardEvent() {
        @Override
        public MagicEvent getEvent(final MagicCardOnStack cardOnStack,final MagicPayedCost payedCost) {
            return new MagicEvent(
                cardOnStack,
                this,
                "Destroy all Islands."
            );
        }
        @Override
        public void executeEvent(final MagicGame game, final MagicEvent event) {
            game.doAction(new MagicDestroyAction(
                game.filterPermanents(MagicTargetFilter.TARGET_ISLAND)
            ));
        }
    }
]