Species guide · Ages 10+ · July 2026
Costume Mewtwo
Say it: COSTUME MYOO-too
Kids summary (simpler)Tap to expand
Costume Mewtwo can show up as a tough raid boss. Bring friends and use the counter list — the right types depend on the boss typing shown below.
Say it: COSTUME MYOO-too
Costume Mewtwo (unknown typing) — we do not have a Game Master row for this exact entry yet. Guide links and type chart below may still help.
Type-colored placeholder — not official Pokémon artwork (see IP notice below).
Pokédex notes
Costume Mewtwo is a Unknown-type Pokémon in Pokémon GO. Use the type chart below before powering up — metas shift every season.
Where in GO: Limited events, research, and GO Fest exclusives
GO stats
No Game Master row for this exact form yet — counters and type chart still help for Rocket battles and planning.
Weak to
No common super-effective types in our chart.
Resists
No major resistances listed.
In your Collect
Name match only (text). Cards you have saved in Card Nexus Collect — not official art.
Sign in to see holdings, or open Collect.
Open Collect →Raid and PvP advice uses our Game Master snapshot (updated July 2026).
As a raid boss
5-star · Psychic · weak to Ghost, Dark, Bug
Watch out: Psystrike, Shadow Ball, Focus Blast, Ice Beam, Thunderbolt, Flamethrower — charged move changes the team.
- 1. Mega Gengar
Lick + Shadow Ball
- 2. Dawn Wings Necrozma
Shadow Claw + Moongeist Beam
- 3. Mega Tyranitar
Bite + Brutal Swing
- 4. Shadow Darkrai
Snarl + Shadow Ball
- 5. Shadow Chandelure
Hex + Shadow Ball
- 6. Hydreigon
Bite + Brutal Swing
Raid attacker roles
Fighting-type shortlist
- Mega Mewtwo X — Counter + Focus Blast (Psychic/Fighting Mega)
Psychic-type shortlist
- Mega Mewtwo Y — Psycho Cut + Psystrike
- Shadow Mewtwo — Psycho Cut + Psystrike
- Mewtwo — Psycho Cut + Psystrike
Recommended vs these bosses
In the Competitive Guide
- Ch. 4: Best Raid Attackers by Type
# Best Raid Attackers by Type > Free forever in 3CL TCG. The full guide is never paywalled. Meta snapshots are dated — always verify live data on PvPoke / Pokebattler. ## Section 4…
- Ch. 5: Shadow Pokémon — Complete Guide
# Shadow Pokémon — Complete Guide > Free forever in 3CL TCG. The full guide is never paywalled. Meta snapshots are dated — always verify live data on PvPoke / Pokebattler. ## Secti…
- Ch. 7: Recommended Movesets
# Recommended Movesets > Free forever in 3CL TCG. The full guide is never paywalled. Meta snapshots are dated — always verify live data on PvPoke / Pokebattler. ## Section 7: Recom…
- Ch. 9: Weather Boost & Game Mechanics
# Weather Boost & Game Mechanics > Free forever in 3CL TCG. The full guide is never paywalled. Meta snapshots are dated — always verify live data on PvPoke / Pokebattler. ## Sectio…
- Ch. 12: Raid Counters — 5-Star Legendaries
# Raid Counters — 5-Star Legendaries > Free forever in 3CL TCG. The full guide is never paywalled. Meta snapshots are dated — always verify live data on PvPoke / Pokebattler. ## Se…
- Ch. 13: Raid Counters — Mega, Primal & Ultra Beasts
# Raid Counters — Mega, Primal & Ultra Beasts > Free forever in 3CL TCG. The full guide is never paywalled. Meta snapshots are dated — always verify live data on PvPoke / Pokebattl…
- Ch. 25: Mega Evolution — Full Guide
# Mega Evolution — Full Guide > Free forever in 3CL TCG. The full guide is never paywalled. Meta snapshots are dated — always verify live data on PvPoke / Pokebattler. ## What Mega…
Related species
Also named in the same guide chapters (text only).