http://www.titusgames.de/scenarios/center_punch.zipIt's not a scripted scenario, but this setup gives you a really good fight.
<?xml version="1.0" standalone="yes" ?>
<scenario>
<difficulty value="3"/>
<players>
<player control="cpu-ultra" faction="magic" team="2"/>
<player control="human" faction="norsemen" team="1"/>
<player control="cpu-ultra" faction="persian" team="2"/>
<player control="closed"/>
</players>
<map value="overgrown_city"/>
<tileset value="desert2"/>
<tech-tree value="megapack_v4"/>
<default-resources value="true"/>
<default-units value="true"/>
<default-victory-conditions value="true"/>
<scripts/>
</scenario>