IMO it would be good to use the new sableye and dangerous energy (it only works on ex pokes but still) and set up that way. My future list will probably look something like this
3 Sableye AOR
3-3 Mega T-tar
1 yveltal ex
2-2 golbat
3 dangerous energy
6 dark
2 double colourless
4 mega turbo
2...