Pokemon Collector (97/123) (League Promo) [HeartGold & SoulSilver: Base Set] 238 You can only activate this

You can only activate this effect during your opponent''s Battle Phase

Set: Duel Terminal - Preview Card type: Effect Monster Rarity: Common Attack: 2600 Defense: 2300 This card gains 500 ATK for each Dragon-Type monster your opponent has on the field or in their Graveyard

Set: Neo Discovery 1st Edition Type: Psychic Rarity: Holo Rare

also it cannot be destroyed by card effects

Once per turn: You can banish 1 Level 7 or lower "Gem-Knight" Fusion Monster from your Graveyard

Pokemon Collector (97/123) (League Promo) [HeartGold & SoulSilver: Base Set] 238 You can only activate thisSet: HeartGold & SoulSilver: Base Set Type: Supporter Rarity: Promo