A new Galarian Perrserker will be featured in S7D Towering Perfection! The set releases in Japan on July 9th. Thanks goes to JustInBasil for the translating!
[M] Pep talk: Search your deck for up to 2 basic Energy cards and attach them to your Pokemon in any way you like. Then, shuffle your deck.
[C][C][C] Headbang: 80 damage.
Weakness: Fire (x2)
Resistance: Grass (-30)