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Houndour is pretty obviously the right choice here, although y'all sleepin' on the dog even when he has a secondary ability of Early Bird (lol).
Houndour @ Life Orb
Ability: Early Bird / Flash Fire
Level: 5
EVs: 36 Atk / 196 SpA / 36 SpD / 236 Spe
Hasty Nature
- Fire Blast
- Dark Pulse
-...
See how unhappy you made him?
Mold Breaker Drilbur seems as strong as ever in my book. Berry Juice and Eviolite both do really different things for your time, and you can get away with Rock Slide + EQ so you are still having the opportunity to run SR if your team needs it. 17 speed is amazing...