[
    new MagicPermanentActivation(
        new MagicActivationHints(MagicTiming.Removal),
        "Bounce"
    ) {

        @Override
        public Iterable<MagicEvent> getCostEvent(final MagicPermanent source) {
            return [new MagicPayManaCostSacrificeEvent(source,"{G}{G}")];
        }

        @Override
        public MagicEvent getPermanentEvent(final MagicPermanent source,final MagicPayedCost payedCost) {
            return new MagicEvent(
                source,
                MagicTargetChoice.NEG_TARGET_LAND,
                MagicBounceTargetPicker.create(),
                this,
                "Put target land\$ on top of its owner's library."
            );
        }

        @Override
        public void executeEvent(final MagicGame game, final MagicEvent event) {
            event.processTargetPermanent(game,new MagicPermanentAction() {
                public void doAction(final MagicPermanent creature) {
                    game.doAction(new MagicRemoveFromPlayAction(
                        creature,
                        MagicLocationType.TopOfOwnersLibrary
                    ));
                }
            });
        }
    }
]