magarena/release/Magarena/scripts/Demigod_of_Revenge.groovy

[
    new MagicWhenSpellIsCastTrigger() {
        @Override
        public MagicEvent executeTrigger(
                final MagicGame game,
                final MagicPermanent permanent,
                final MagicCardOnStack cardOnStack) {
            return new MagicEvent(
                cardOnStack,
                this,
                "Return all cards named SN from your graveyard to the battlefield."
            );
        }

        @Override
        public void executeEvent(final MagicGame game, final MagicEvent event) {
            final List<MagicCard> cards = game.filterCards(
                    event.getPlayer(),
                    MagicTargetFilter.TARGET_CARD_FROM_GRAVEYARD);
            for (final MagicCard card : cards) {
                if (card.getName().equals(event.getSource().getName())) {
                    game.doAction(new MagicReanimateAction(
                        card,
                        event.getPlayer()
                    ));
                }
            }
        }
    }
]