Rate My Team for Singles

Question

Groudon@Red Orb
Ability: Desolate Island
252 Hp, 252 Attack, 6 Defense
Nature: Adamant
Moves:
Fire Punch
Precipe Blades
Earthquake
Bulk Up

Mewtwo @ Choice Specs
Ability: Pressure
EVs: 4 HP / 252 SAtk / 252 Spd
Nature: Timid
Moves:
Aura Sphere
Thunder
Shadow Ball
Ice Beam

Greninja@Focus Sash
Nature: Timid
Ability: Battle Bond
Evs: 252 SPA, 252 Speed, 6 SPD
Moves:
Surf
Grass Knot
Dark Pulse
Ice Beam

Rayquaza@ Life Orb
Nature: Jolly
Ability: Air Lock OR Delta Stream
Evs: 252 Attack, 252 Speed, 6 HP
Moves:
Dragon Ascent
Dragon Claw
Dragon Dance
Extreme Speed

Marshadow@ Focus Sash
Nature: Adamant
Ability: Technician
Evs: 252 Attack, 252 Speed, 6 HP
Moves:
Spec. Thief
Ice Punch
Shadow Sheak
Close Combat

Salamence@ Salamencite
Nature: Jolly
Ability: Intimidate OR Aeriliate
Evs: 252 Attack, 252 Speed
Moves:
Dragon Claw
Earthquake
Facade
Fire Fang

Comments

Also, I need a Stealth Rock, so make some adjustments, please.

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What format?

Answer 1

Yea you never told us what format, and you said you needed stealth rock. You should replace grass knot with spikes cause spikes and stealth rock are technically the same, you should replace fire fang with flamethrower because it does more damage. And replace facade with brick break on salamance, you can replace close combat with drain punch because close combat lower defense and sp.defense. And replace thunder with thunder punch or thunderbolt on mewtwo cause thunder has bad accuracy.
Also
Better marshadow

Marshadow@ Marshadium Z
Nature: Jolly
Ability: Technician
EVs 252 attack, 252 speed, 4 SP.Def
Spectral Thief
Drain punch
Ice punch/Poisen jab
Outrage(if you want risk, if you don’t try this Rock tomb)
Throat Chop/facade/pursuit

I hope you find this useful.