Harpie's Pet Dragon (Green) [LDS2-EN066] Ultra Rare Penny when an opponent's DARK monster

when an opponent's DARK monster activates its effect: You can detach 1 Xyz Material from this card

Set: 2015 Mega-Tins Mega Pack Card type: Fusion/Effect Monster Rarity: Ultra Rare Attack: 2800 Defense: 2500 1 "Shaddoll" monster + 1 LIGHT monster Must first be Fusion Summoned

Set: Structure Deck: Cyberse Link Card type: Normal Spell Rarity: Common If you control a face-up Level 1 monster: Add 1 Level 1 monster from your Deck to your hand

you can select 1 Ritual Monster Card or 1 Ritual Spell Card from your Deck to your hand

" in this case

Harpie's Pet Dragon (Green) [LDS2-EN066] Ultra Rare Penny when an opponent's DARK monsterSet: Legendary Duelists: Season 2 Card type: Effect Monster Rarity: Ultra Rare Attack: 2000 Defense: 2500 Gains 300 ATK DEF for each "Harpie Lady" on the field.