Competitive Information for Mewtwo (Mega Y) [Sword/Shield]
Psychic
Abilities:
This Pokemon cannot fall asleep. Gaining this Ability while asleep cures it.

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Movesets for Singles
Looking for a competitive moveset for Mewtwo-mega-y? These builds are optimized for Sword/Shield Single Battles. The movesets and EVs are designed to maximize damage against common opponents and threats in the Sword/Shield metagame. Check out the expert movesets below to boost your battle performance and dominate your opponents!
Get ready to meet Mewtwo-Mega-Y, the brilliant Psychic-typed Pokémon! Mewtwo-Mega-Y is a common Pokémon to see in the SS metagame. It is weak to Bug, Dark, and Ghost-typed attacks. Want to master Mewtwo-Mega-Y's movesets? Dive into our detailed strategies below!
Item: Mewtwonite Y
Ability: Insomnia
Nature: Modest (+SpA, -Atk)
Nature: Timid (+Spe, -Atk)
EVs: 116 Hp / 140 Def / 252 SpA
IVs: 0 Atk
Moveset:
- Psystrike / Psychic
- Foul Play
- Thunderbolt
- Ice Beam
For single battles, Mewtwo is a storied Special Sweeper. It's primary goal is to take down the opponent's team with destructive special moves. With Insomnia, Mewtwo cannot fall asleep. Gaining this ability while asleep cures it. With a Mewtwonite Y equipped to it, if held by a mewtwo, this item allows it to mega evolve in battle.
◆ Psychic is a special STAB-boosted 90-base power Psychic-type move (10% chance to lower the target's special defense by 1 stage).
◆ Foul Play is a physical 95-base power Dark-type move (uses target's attack stat in damage calculation).
◆ Thunderbolt is a special 90-base power Electric-type move (10% chance to paralyze the target).
◆ Ice Beam is a special 90-base power Ice-type move (10% chance to freeze the target).
Link (click to copy):
https://hohoushome.com/b/ma0
Movesets for Doubles
Need a strong doubles moveset for Mewtwo-mega-y? These builds are perfect for VGC (Pokémon Video Game Championship) and other competitive Sword/Shield Double Battles. The VGC is the ultimate test of strategy and skill, and these movesets and EVs are designed to excel against multiple opponents at once while providing essential support to your team. Dominate the Sword/Shield metagame with these expert-crafted setups!
Item: Mewtwonite Y
Ability: Insomnia
Nature: Modest (+SpA, -Atk)
Nature: Timid (+Spe, -Atk)
EVs: 116 Hp / 140 Def / 252 SpA
IVs: 0 Atk
Moveset:
- Psystrike / Psychic
- Incinerate / Flamethrower
- Foul Play
- Icy Wind / Ice Beam
Mewtwo excels as a powerful Special Sweeper during double battles. This build is crafted to crush rivals using overwhelming special moves. With Insomnia, Mewtwo cannot fall asleep. Gaining this ability while asleep cures it. With a Mewtwonite Y equipped to it, if held by a mewtwo, this item allows it to mega evolve in battle.
◆ Psychic is a special STAB-boosted 90-base power Psychic-type move (10% chance to lower the target's special defense by 1 stage).
◆ Incinerate is a special 60-base power Fire-type move (destroys the foes berry/gem).
◆ Flamethrower is a special 90-base power Fire-type move (10% chance to burn the target).
◆ Foul Play is a physical 95-base power Dark-type move (uses target's attack stat in damage calculation).
◆ Icy Wind is a special 55-base power Ice-type move (100% chance to lower the foes speed by 1 stage).
◆ Ice Beam is a special 90-base power Ice-type move (10% chance to freeze the target).
Link (click to copy):
https://hohoushome.com/b/na0
Item: Mewtwonite Y
Ability: Insomnia
Nature: Quiet (+SpA, -Spe)
Nature: Modest (+SpA, -Atk)
EVs: 116 Hp / 140 Def / 252 SpA
Moveset:
- Psystrike / Psychic
- Foul Play
- Thunderbolt
- Trick Room
Taking on single battles? Mewtwo is a glorious Offensive Trick Roomer. With Insomnia, Mewtwo cannot fall asleep. Gaining this ability while asleep cures it. With a Mewtwonite Y equipped to it, if held by a mewtwo, this item allows it to mega evolve in battle.
◆ Psychic is a special STAB-boosted 90-base power Psychic-type move (10% chance to lower the target's special defense by 1 stage).
◆ Foul Play is a physical 95-base power Dark-type move (uses target's attack stat in damage calculation).
◆ Thunderbolt is a special 90-base power Electric-type move (10% chance to paralyze the target).
◆ Trick Room is a status move (goes last. For 5 turns, turn order is reversed).
Link (click to copy):
https://hohoushome.com/b/nb0
Movepool
Want to know what moves Mewtwo-mega-y can learn? Check out the full list of moves available in the Pokemon Sword/Shield generation.
Sort and organize the learnset by type, category, accuracy, and power. Moves in bold get the same-type attack bonus (STAB) when used by Mewtwo-mega-y.
Damage Modifiers:
Combo List
These are a list of several common move combinations Mewtwo-mega-y can perform in Sword/Shield. Not every combo going to be game-changing, but some can be pretty fun to play with. Sometimes these can be easily overlooked or forgotten, hence why we find and list them here. Discover what items, abilities, and moves this Pokemon can use in combination with each other to gain a strategic advantage in competitive battles.
Competitive SS Move and Ability Combos for Mewtwo-mega-y
- Moves: Sunny day + Solar beam
- Moves: Swagger + Foul play
- Moves: Swagger + Psych up
- Moves: Rain dance + Thunder
- Moves: Rest + Sleep talk
- Moves: Rest + Snore
- Moves: Substitute + Drain punch
- Moves: Thunderbolt + Ice beam
- Moves: Nasty plot + Stored power
- Moves: Stored power + Psych up
- Move: Swagger + Item: Mirror Herb
- Move: Fling + Item: King's Rock
- Move: Facade + Item: Flame Orb
- Move: Facade + Item: Toxic Orb
- Item: Blunder Policy + Move: Dynamic Punch
- Item: Blunder Policy + Move: Zap Cannon
- Moves with Priority: Ally Switch, Detect, Endure, Magic Coat, Protect
- Moves that Break Screens: Brick Break
- Moves that inflict status: Will-O-Wisp, Thunder Wave, Toxic
Moves that boost Mewtwo-mega-y's stats
- Agility
- Amnesia
- Ancient Power
- Bulk Up
- Calm Mind
- Charge Beam
- Curse
- Nasty Plot
- Power-Up Punch
- Skull Bash
- Note:This Pokemon can also learn Stored Power.
Most notable and possible best moves for Mewtwo-mega-y
- Earthquake
- Ice Beam
- Light Screen
- Protect
- Reflect
- Rest
- Stored Power
- Taunt
- Teleport
- Toxic
Common Effort Values for Mewtwo-mega-y in Sword and Shield
- Adamant Nature ( 0/252/0/0/0/252 )
- Modest Nature ( 0/0/0/252/0/252 )
- Jolly Nature ( 0/252/0/0/0/252 )
- Timid Nature ( 0/0/0/252/0/252 )
- Bold Nature ( 252/0/252/0/0/4 )
- Calm Nature ( 252/0/0/0/252/4 )
- Relaxed Nature ( 252/0/88/0/168/0 )
- Sassy Nature ( 252/0/4/0/252/0 )
- Optimize Mewtwo-mega-y's Defensive EV-spread for Pokemon Sword and Shield
Usage Data
Explore the latest analytical usage data for this Pokémon from various VGC and online competitions. We use this data to develop our strategies and movesets. The data is categorized by competition and skill level: top-ranking trainers, mid-level players, and entry-level players.

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Here are the best movesets for Mewtwo-mega-y. Top rated Mewtwo-mega-y Sword/Shield movesets. You can find Mewtwo-mega-y builds Sword/Shield. Mewtwo-mega-y movesets Sword/Shield are listed here. VGC Mewtwo-mega-y Competitive Movesets can be found here. Find various EV spreads, find the best nature for Mewtwo-mega-y in Sword/Shield along with competitive movesets. Basic info and Movesets for evolution