Please rate my Pokemon OU team.

Question

Giant Spike Machine (Ferrothorn) @ Rocky Helmet
Ability: Iron Barbs
EVs: 248 HP / 128 Def / 132 SpD
Bold Nature
- Leech Seed
- Spikes
- Stealth Rock
- Power Whip

I hate them walls (Charizard) @ Charizardite X
Ability: Blaze
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Flare Blitz
- Dragon Claw
- Earthquake
- Roost

Tapu Cocoa (Tapu Koko) @ Electrium Z
Ability: Electric Surge
EVs: 108 HP / 252 SpA / 148 Spe
Timid Nature
- Thunderbolt
- Dazzling Gleam
- Hidden Power [Ice]
- U-turn

Land Dog (Landorus-Therian) @ Choice Scarf
Ability: Intimidate
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Earthquake
- U-turn
- Hidden Power [Ice]
- Defog

I love me spikes (Toxapex) @ Black Sludge
Ability: Regenerator
EVs: 252 HP / 128 Atk / 4 Def / 124 SpA
Adamant Nature
- Haze
- Scald
- Poison Jab
- Recover

John Cena (Hawlucha) @ Electric Seed
Ability: Unburden
EVs: 104 HP / 252 Atk / 152 Spe
Adamant Nature
- Acrobatics
- Swords Dance
- High Jump Kick
- Roost

Comments

Give Ferrothorn relaxed nature to strengthen power whip slightly. Not many Pokemon use contact moves on Ferrothorn anyway, so give it a leftovers for reliable recovery. Give Landorus hasty nature to strengthen hidden power a little. Give Toxapex 252 HP/4 Def/252 SpD calm for more bulk. Toxapex's attack stats are too low for poison jab to be much stronger than scald in any case, so replace poison jab with toxic spikes to poison opponents. Replace Hawlucha's roost with drain punch so it can attack and heal at the same time.