magarena/release/Magarena/scripts/Knightly_Valor.groovy

[
    new MagicWhenComesIntoPlayTrigger() {
        @Override
        public MagicEvent executeTrigger(final MagicGame game, final MagicPermanent permanent, final MagicPlayer player) {
            return new MagicEvent(
                    permanent,
                    this,
                    "PN puts a 2/2 white Knight creature token with vigilance onto the battlefield.");
        }

        @Override
        public void executeEvent(
                final MagicGame game,
                final MagicEvent event) {
            game.doAction(new MagicPlayTokenAction(event.getPlayer(), TokenCardDefinitions.get("Knight2")));
        }
    }
]