Metapod (46/123) [HeartGold & SoulSilver: Base Set] Champion Pack 3 when a monster effect activates:

when a monster effect activates: You can detach 1 Xyz Material from this card

Set: The Dark Side of Dimensions Movie Pack: Gold Edition Card type: Effect Monster Rarity: Gold Rare Attack: 2000 Defense: 1700 This card gains 300 ATK for every "Dark Magician" or "Magician of Black Chaos" in either player's Graveyard

Set: Star Pack - Battle Royal Card type: Tuner/Effect Monster Rarity: Starfoil Rare Attack: 300 Defense: 1500 During your opponent's turn: You can banish this card from your Graveyard

Set: Champion Pack 7 Card type: Effect Monster Rarity: Rare Attack: 2200 Defense: 1500 While this card is in Defense Position

Set: Maximum Crisis Card type: Pendulum/Effect Monster Rarity: Super Rare Attack: 0 Defense: 0 If this card is Normal or Special Summoned: You can Special Summon 1 face-up Level 1 Pendulum Monster from your Extra Deck

Metapod (46/123) [HeartGold & SoulSilver: Base Set] Champion Pack 3 when a monster effect activates:Set: HeartGold & SoulSilver: Base Set Type: Grass Rarity: Uncommon Retreat cost: Colorless,Colorless