Heroes:
am + mk OR dark ranger + panda/mk OR mk+pala (need mass mana pots..so it can be a bad choice) units: breaker + priest , breaker + priest + knight , kinghts + rifler + priest , knights + mass gyros,
/or t2 towerpush with mass summons i.e : WEs and Lavaspawsn,, but hard vs mass fiends , need a good timing