Chesnaught @ Leftovers
Bulletproof
Impish
252 HP/252 Def/4 SpDef
Synthesis
Spikes
Hammer Arm
Leech Seed

Ampharos @ Ampharosite
Static/Mold Breaker
Timid
252 SpAtk/252 Speed/4 HP
Agility
Dragon Pulse
Thunder Bolt
Focus Blast

Rotom-H @ Don't know yet, I guess a choice item if I go with trick
Levitate
Timid
252 SpATk/252 Speed/4 HP
Will O' Wisp
Overheat
Volt Switch
Trick?

Aegislash @ Something
Stance Change
Quiet
252 Atk/252 SpAtk/4 HP? Or do I max HP and put less EVs in one of the attacking stats?
Shadow Sneak
Shadow Ball
Iron Head/Sacred Sword
King's Shield