Is this a viable team?

Gengar - Levitate
@Life Orb (Gengarite if I want to be a faggot)
252 SpAtt / 4 HP / 252 Spe
-Dazzling Gleam
-Shadow Ball
-Sludge Bomb
-Thunderbolt

Garchomp - Rough Skin
@ Yache Berry
Jolly
252 Att / 252 Spe / 4 Def
-Sword Dance
-Outrage
-Fire Fang
-Earthquake

Greninja - Protean
@Life Orb
Naive
252 SpAtt / 4 HP / 252 Spe
-U-Turn
-Scald
-Ice beam
-Extrasensarsory/Grass Knot

Klefki - Prankster
Bold
@???
252 HP / 252 Def / 4 Sp. Def
- Spikes
- Imprison
- Foul Play
- Thunder Wave

Arcanine - Intimidate
@Leftovers IMPISH NATURE
252 HP / 252 Def / 6 Speed
- Flare Blitz
- Extreme Speed
-Will-o-wisp
-Morning Sun

Blissey - Natural Cure
@Leftovers/chople berry
Calm
EVs: 252 HP / 252 Def / 4 SpD
- Toxic
- Softboiled
- Seismic Toss
- Protect