Description, catalog fields, rules text, and how it plays—in one place.
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Attach an Energy card from your hand to 1 of your Geodude, Graveler, Golem, Onix-GX, Cubone, Rhyhorn, Rhydon, or Sudowoodo. You may play only 1 Supporter card during your turn (before your attack).
Abilities, attacks, weakness & resistance
Other cards from Hidden Fates
Moltres & Zapdos & Articuno-GX (Holofoil)
Jessie & James (Holofoil)
Giovanni's Exile (Holofoil)
Moltres & Zapdos & Articuno-GX (Holofoil)
Sabrina's Suggestion (Reverse Holofoil)
Sabrina's Suggestion
Pokémon Center Lady (Reverse Holofoil)
Pokémon Center Lady
Misty's Water Command (Reverse Holofoil)
Misty's Water Command (Holofoil)
Misty's Determination (Reverse Holofoil)
Misty's Determination
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Brock's Training (sm115-55 Holofoil) is a Trainer — Supporter card from the Hidden Fates expansion. It lets you attach an Energy card from your hand to one of a specific list of Rock- and Ground-type Pokémon you control, including Onix-GX and Golem. Because it is a Supporter, you can play only one Supporter per turn, which shapes how it fits into a deck's turn sequence.
Catalog pricing data as of 17 Apr 2026, 14:29