[
    new MagicWhenOtherComesIntoPlayTrigger() {
        @Override
        public MagicEvent executeTrigger(final MagicGame game,final MagicPermanent permanent,final MagicPermanent otherPermanent) {
            return (otherPermanent != permanent &&
                    otherPermanent.isCreature() && 
                    otherPermanent.isFriend(permanent) &&
                    otherPermanent.hasSubType(MagicSubType.Human)) ?
                new MagicEvent(
                    permanent,
                    this,
                    "PN puts a +1/+1 counter on SN."
                ) :
                MagicEvent.NONE;
        }
        @Override
        public void executeEvent(
                final MagicGame game,
                final MagicEvent event) {
            game.doAction(new MagicChangeCountersAction(event.getPermanent(),MagicCounterType.PlusOne,1,true));            
        }        
    }
]