So my brother is planning on playing the following list
3k
Slaughtermaster w/ Dispel Scroll, Gut Magic
BSB w/ +1 ld banner
Butcher w/ Heavens
15x units of 10 gnoblar trappers
22 maneaters w/ poison, sniper
3x ironblasters
against my hardcore daemons list
Kairos
Masque
Herald of Tzeentch w/ MoLife, Spellbreaker, BSB
Herald of Tzeentch w/ MoShadow, Spellbreaker
Herald of Khorne
39 Bloodletters w/ FC, Banner of +d6 charge
26 Horros w/ FC, Icon of Sorcery
10 Flesh Hounds
3x units of 6 flamers
I'll let you know how it goes