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Thwackey in Standard: cards, attacks & deck stats

Thwackey has 2 cards legal in the 2026–27 Standard format, mostly as a Grass-type Pokémon (Stage 1). Here are its stats for deck building.

Legal cards
2
Top damage
50
Most HP
100
ex / Mega ex
0 / 0
With an Ability
2

Is Thwackey good in Standard?

Its hardest-hitting attack is Beat on Thwackey (Scarlet & Violet Black Star Promos), doing 50 for 2 Energy. The bulkiest version is Thwackey with 100 HP. Watch out for Fire attackers — that's its weakness.

Evolution line

Evolves from Grookey. Evolves into Rillaboom. Plan your line counts — see building your first deck.

Abilities

Thwackey (Scarlet & Violet Black Star Promos): Boom Boom Groove · Thwackey (Twilight Masquerade): Boom Boom Groove. Abilities can be used without attacking — check the card for exactly what each one does.

CardSetHPStageAttacks (cost · damage)RetreatWeakness
Thwackey 115/102
Ability: Boom Boom Groove
Scarlet & Violet Black Star Promos H100Stage 1Beat GG 502Fire ×2
Thwackey 15/167
Ability: Boom Boom Groove
Twilight Masquerade H100Stage 1Beat GG 502Fire ×2

Energy letters: G Grass, R Fire, W Water, L Lightning, P Psychic, F Fighting, D Darkness, M Metal, N Dragon, C Colorless (any Energy). Damage is the printed number; + and × attacks can do more.

Other Grass Pokémon in Standard

See also: every Thwackey card ever printed · Thwackey for young collectors.

Pully Play is an independent fan guide. It isn't run by The Pokémon Company. Format facts are checked against official announcements; always confirm card legality with the official rules before a tournament.