Can you rate my Triple Battle Gen-5 team?

Question

Alomomola @ Leftovers
Trait: Healer
EVs / Role: ???
Impish Nature
- Wide Guard
- Wish
- Heal Pulse
- Dive

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Zoroark @ Wide Lens
Trait: Illusion
EVs / Role: ???
Modest Nature
- Night Daze
- Grass Knot
- Flamethrower
- Focus Blast

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Mienshao @ Life Orb
Trait: Regenerator
EVs / Role: ???
Jolly Nature
- Fake Out
- Taunt
- Jump Kick
- U-Turn

Note: I still need to level up to get Hi Jump Kick.

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Chansey @ Eviolite
Trait: Natural Cure
EVs / Role: ???
Impish Nature
- Heal Bell
- Thunder Wave
- Toxic
- Softboiled

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Metagross @ Lum Berry
Trait: Clear Body
EVs / Role: ???
Jolly Nature
- Zen Headbutt
- Meteor Mash
- Earthquake
- Agility

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Starmie @ Choice Specs
Trait: Natural Cure
EVs / Role: ???
Timid Nature
- Surf
- Psyshock
- Trick
- Ice Beam

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Please rate team on scale from 1-10. Tell me where there can be improvements on the team.

Comments

Considering that this is a triple battle, you have nothing that's immune to Earthquake. Give Metagross Ice Punch instead.

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Which move would you suggest that I replace with Ice Punch.

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Earthquake... like I said, because Earthquake will hit your own Pokemon as well as your opponent's.

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Thank you for the advice.

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I feel like your Chancy could be evolved into a Blissy, also with the EVs, 252 SpD, 252, SpA, and 4 HP. This will also give the ability to mount an other item such as leftovers. The move set for your Chancy is also bad, considering that it will be used as a tank (thats all it is good at), try Wish, Toxic, Protect, and Soft-boiled.

Overall I would give this team a 6, If 1 is unable to win and 10 is auto-win.

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this is a comment, and the EVs for the blissey are bad, and chansey is actually slightly better

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Wish is also a special event move; Chansey cannot learn Wish naturally. And while running Wish & Softboiled is okay for singles, it's not really good for triples. You have to waste a turn switching your Pokemon's position for Wish. Better advice would be Heal Pulse.