Curse Powder appears in Unseen Forces, released in 2005. Core profile: Its card type is Trainer.
The rarity label is Uncommon. Card subtype classification is Pokémon Tool.
Printed card effect: Attach Curse Powder to 1 of your Evolved Pokémon (excluding Pokémon-ex) that doesn't already have a Pokémon Tool attached to it. If the Pokémon Curse Powder is attached to is a Basic Pokémon or Pokémon-ex, discard Curse Powder.
If the Pokémon that Curse Powder is attached to is your Active Pokémon and is Knocked Out by damage from an opponent's attack, put 3 damage counters on the Attacking Pokémon. No explicit attack names are available in the loaded card metadata.