Battle Maison general. Also, help with teem pls

Greninja - Expert Belt
Protean, Timid
252 Spa/252 Spe/4 HP
Scald (replace with surf?)
Ice Beam
Extrasensory
U-turn

Blaziken - Blazikenite
Speed Boost, Jolly
252 Atk/ 252 Spe/4 HP
Protect (pointless?)
Earthquake
Flare Blitz
Brick Break

Gengar - Life Orb
Levitate, Timid
252 Spa/252 Spe/4 SpD
Shadow Ball
Sludge Bomb
Thunderbolt
Undecided (Dazzling Gleam?)

I also have thoughts to replace Gengar with Ferrothorn, and give Life Orb to Greninja instead.

Ferrothorn - Leftovers
Iron Barbs, Relaxed
252 Atk/ 252 SpD/4 Def (not sure yet though)
0 Speed IVs
Leech Seed
Gyro Ball
Power Whip
Payback

Thoughts/critique?