magarena/release/Magarena/scripts/Centaur_Glade.groovy

[
    new MagicPermanentActivation(
        new MagicActivationHints(MagicTiming.Token),
        "Token"
    ) {
        @Override
        public Iterable<MagicEvent> getCostEvent(final MagicPermanent source) {
            return [new MagicPayManaCostEvent(source,"{2}{G}{G}")];
        }
        @Override
        public MagicEvent getPermanentEvent(final MagicPermanent source,final MagicPayedCost payedCost) {
            return new MagicEvent(
                source,
                this,
                "PN puts a 3/3 green Centaur creature token onto the battlefield."
            );
        }
        @Override
        public void executeEvent(final MagicGame game, final MagicEvent event) {
            game.doAction(new MagicPlayTokenAction(event.getPlayer(), TokenCardDefinitions.get("Centaur3")));
        }
    }
]