Attach Counterattack Claws to 1 of your Pokémon that doesn't have a Pokémon Tool attached to it.
During your opponent's turn, if the Pokémon Counterattack Claws is attached to is your Active Pokémon and an opponent's attack damages it (even if it is Knocked Out), flip a coin. If heads, put 2 damage counters on the Defending Pokémon. Then, discard Counterattack Claws.

Counterattack Claws
Neo Destiny 97 · Trainer · Pokémon Tool
StandardNot legal
Regulation marknone
RarityUncommon
Standard uses regulation marks H and later, plus identical reprints of legal cards.
Released February 28, 2002.
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Build with this card
The Pokémon deck builder checks every deck against the Standard rules, and Genny can build one around Counterattack Claws.
Open the deck builder