Galarian Perrserker (Sword & Shield Promos SWSH008)

Galarian Perrserker — 120 HP — [M]
Stage 1 — Evolves from Galarian Meowth

Ability: Steely Spirit
Your [M] Pokémon’s attacks do 20 more damage to your opponent’s Active Pokémon (before applying Weakness and Resistance).

[M][M][C] Metal Claw: 70

weakness: [R]×2
resistance: [G]-30
retreat: 2

Illus. Akira Komayama
Sword & Shield Promos — SWSH008 — Promo

What appears to be an iron helmet is actually hardened hair. This Pokémon lives for the thrill of battle.