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As long as this card is attached to a Pokémon, that Pokémon's type (color) is Colorless. If that Pokémon attacks, discard this card at the end of the turn.
Card rule
Attach Crystal Shard to 1 of your Pokémon that doesn't already have a Pokémon Tool attached to it. If that Pokémon is Knocked Out, discard this card.
