[
    new MagicWhenComesIntoPlayTrigger() {
        @Override
        public MagicEvent executeTrigger(final MagicGame game,final MagicPermanent permanent, final MagicPayedCost payedCost) {
            return new MagicEvent(
                permanent,
                this,
                "Untap all creatures you control."
            );
        }
        @Override
        public void executeEvent(final MagicGame game, final MagicEvent event) {
            final MagicPlayer player = event.getPlayer();
            final Collection<MagicPermanent> targets=
                game.filterPermanents(player,MagicTargetFilter.TARGET_CREATURE_YOU_CONTROL);
            for (final MagicPermanent target : targets) {
                game.doAction(new MagicUntapAction(target));
            }
        }
    }
]