On the All-Out Attacker, I've been running 72 Atk / 252 SpA / 184 Spe. It makes you faster than most of the unboosted 252 meta, such as Kyogre-Primal, Dialga, Excadrill, and Ho-Oh. With 72 Atk, you have a really good chance to bluff Geomancy and use Rock Slide to 1hko Ho-Oh.
72 Atk Life Orb...