For Kyogre I think you should use the mono attacker set since yours already has rest talk.
Kyogre @ Leftovers Trait: Drizzle
EVs: 252 HP / 252 Def / 4 Spd
Bold Nature (+Def, -Atk)
- Calm Mind
- Rest
- Scald
- Sleep Talk
Since you already have Genesect as a Scarfer change Palkia to...