void main()
{
    if(GetIsPC(GetEnteringObject()) && !GetIsDM(GetEnteringObject()) )
    {
         object defender =  GetObjectByTag("guardian1");
        location lDefender = GetLocation(GetObjectByTag("guardian1"));        // Defender will be our spellcaster.
        object oTarget = GetNearestCreatureToLocation       // Find Creature ...
        (                                                   // ...which is...
            CREATURE_TYPE_PLAYER_CHAR,PLAYER_CHAR_IS_PC,   // (Undead)
            lDefender,1,                                    // (1st Closest to Defender object)
            CREATURE_TYPE_IS_ALIVE,TRUE                     // (Still 'alive')
        );
        if (GetIsObjectValid(oTarget) && (GetDistanceBetween(OBJECT_SELF,oTarget) < 75.0 ))
        {
            // Proceed to launch an attack - there is a valid target in range.
            int iSpellToUse;
            string sSpellName;
            switch (d6())
            {
                // randomly pick a spell to cast at the oTarget
                case 1: iSpellToUse = SPELL_BLADE_BARRIER; break;
                case 2: iSpellToUse = SPELL_ICE_STORM;  break;
                case 3: iSpellToUse = SPELL_HORRID_WILTING;  break;
                case 4: iSpellToUse = SPELL_DELAYED_BLAST_FIREBALL;  break;
                case 5: iSpellToUse = SPELL_CHAIN_LIGHTNING;  break;
                case 6: iSpellToUse = SPELL_MORDENKAINENS_DISJUNCTION;  break;
           }
            // Make "Defender" cast spell instantly, regardless of whether "Defender" object can legally cast the spell.
             // Debugging Message
            AssignCommand(
                defender,
                ActionCastSpellAtObject(iSpellToUse,oTarget,METAMAGIC_MAXIMIZE,TRUE,40,PROJECTILE_PATH_TYPE_HOMING,TRUE)
            );
            ApplyEffectToObject(DURATION_TYPE_TEMPORARY,EffectVisualEffect( VFX_FNF_SUMMON_MONSTER_3),defender, 1.5);
    }
    }
}