// becomes a 4/4 Rhino and gains trample
def PT1 = new MagicStatic(MagicLayer.SetPT, MagicStatic.UntilEOT) {
    @Override
    public void modPowerToughness(final MagicPermanent source,final MagicPermanent permanent,final MagicPowerToughness pt) {
        pt.set(4,4);
    }
};
def AB1 = new MagicStatic(MagicLayer.Ability, MagicStatic.UntilEOT) {
    @Override
    public void modAbilityFlags(final MagicPermanent source,final MagicPermanent permanent,final Set<MagicAbility> flags) {
        flags.add(MagicAbility.Trample);
    }
};
def ST1 = new MagicStatic(MagicLayer.Type, MagicStatic.UntilEOT) {
    @Override
    public void modSubTypeFlags(final MagicPermanent permanent,final Set<MagicSubType> flags) {
        flags.removeAll(MagicSubType.ALL_CREATURES);
        flags.add(MagicSubType.Rhino);
    }
};

// becomes a 2/2 Bird and gains flying
def PT2 = new MagicStatic(MagicLayer.SetPT, MagicStatic.UntilEOT) {
    @Override
    public void modPowerToughness(final MagicPermanent source,final MagicPermanent permanent,final MagicPowerToughness pt) {
        pt.set(2,2);
    }
};
def AB2 = new MagicStatic(MagicLayer.Ability, MagicStatic.UntilEOT) {
    @Override
    public void modAbilityFlags(final MagicPermanent source,final MagicPermanent permanent,final Set<MagicAbility> flags) {
        flags.add(MagicAbility.Flying);
    }
};
def ST2 = new MagicStatic(MagicLayer.Type, MagicStatic.UntilEOT) {
    @Override
    public void modSubTypeFlags(final MagicPermanent permanent,final Set<MagicSubType> flags) {
        flags.removeAll(MagicSubType.ALL_CREATURES);
        flags.add(MagicSubType.Bird);
    }
};

// becomes a 0/8 Plant
def PT3 = new MagicStatic(MagicLayer.SetPT, MagicStatic.UntilEOT) {
    @Override
    public void modPowerToughness(final MagicPermanent source,final MagicPermanent permanent,final MagicPowerToughness pt) {
        pt.set(0,8);
    }
};
def ST3 = new MagicStatic(MagicLayer.Type, MagicStatic.UntilEOT) {
    @Override
    public void modSubTypeFlags(final MagicPermanent permanent,final Set<MagicSubType> flags) {
        flags.removeAll(MagicSubType.ALL_CREATURES);
        flags.add(MagicSubType.Plant);
    }
};

[
    new MagicPermanentActivation(
        new MagicActivationHints(MagicTiming.Animate,1),
        "Rhino"
    ) {
        @Override
        public Iterable<MagicEvent> getCostEvent(final MagicPermanent source) {
            return [
                new MagicPayManaCostEvent(source,"{G}"),
                new MagicPlayAbilityEvent(source)
            ];
        }

        @Override
        public MagicEvent getPermanentEvent(final MagicPermanent source, final MagicPayedCost payedCost) {
            return new MagicEvent(
                source,
                this,
                "Until end of turn, SN becomes a 4/4 Rhino and gains trample."
            );
        }

        @Override
        public void executeEvent(final MagicGame game, final MagicEvent event) {
            game.doAction(new MagicBecomesCreatureAction(event.getPermanent(),PT1,AB1,ST1));
        }
    },
    new MagicPermanentActivation(
        new MagicActivationHints(MagicTiming.Animate,1),
        "Bird"
    ) {

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

        @Override
        public MagicEvent getPermanentEvent(final MagicPermanent source, final MagicPayedCost payedCost) {
            return new MagicEvent(
                source,
                this,
                "Until end of turn, SN becomes a 2/2 Bird and gains flying."
            );
        }

        @Override
        public void executeEvent(final MagicGame game, final MagicEvent event) {
            game.doAction(new MagicBecomesCreatureAction(event.getPermanent(),PT2,AB2,ST2));
        }
    },
    new MagicPermanentActivation(
        new MagicActivationHints(MagicTiming.Animate,1),
        "Plant"
    ) {

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

        @Override
        public MagicEvent getPermanentEvent(final MagicPermanent source, final MagicPayedCost payedCost) {
            return new MagicEvent(
                source,
                this,
                "Until end of turn, SN becomes a 0/8 Plant."
            );
        }

        @Override
        public void executeEvent(final MagicGame game, final MagicEvent event) {
            game.doAction(new MagicBecomesCreatureAction(event.getPermanent(),PT3,ST3));
        }
    }
]