[
    new MagicPermanentActivation(
        [MagicConditionFactory.ManaCost("{G}{W}")],
        new MagicActivationHints(MagicTiming.Pump),
        "Regen"
    ) {
        @Override
        public MagicEvent[] getCostEvent(final MagicPermanent source) {
            return [
                new MagicPayManaCostSacrificeEvent(source, "{G}{W}")
            ];
        }
        @Override
        public MagicEvent getPermanentEvent(final MagicPermanent source,final MagicPayedCost payedCost) {
            return new MagicEvent(
                source,
                this,
                "Regenerate each creature you control."
            );
        }
        @Override
        public void executeEvent(final MagicGame game, final MagicEvent event) {
            final Collection<MagicPermanent> targets=
                game.filterPermanents(event.getPlayer(),MagicTargetFilter.TARGET_CREATURE_YOU_CONTROL);
            for (final MagicPermanent permanent : targets) {
                game.doAction(new MagicRegenerateAction(permanent));
            }
        }
    }
]