magarena/release/Magarena/scripts/Dauntless_Escort.groovy

[
    new MagicPermanentActivation(
        new MagicActivationHints(MagicTiming.Pump),
        "Indestr"
    ) {
        @Override
        public Iterable<MagicEvent> getCostEvent(final MagicPermanent source) {
            return [new MagicSacrificeEvent(source)];
        }
        @Override
        public MagicEvent getPermanentEvent(final MagicPermanent source,final MagicPayedCost payedCost) {
            return new MagicEvent(
                source,
                this,
                "Creatures PN control are indestructible this turn."
            );
        }
        @Override
        public void executeEvent(final MagicGame game, final MagicEvent event) {
            final Collection<MagicPermanent> creatures=
                game.filterPermanents(event.getPlayer(),MagicTargetFilter.TARGET_CREATURE_YOU_CONTROL);
            for (final MagicPermanent creature : creatures) {
                game.doAction(new MagicGainAbilityAction(creature,MagicAbility.Indestructible));
            }
        }
    }
]