Curse of the Shadow Prison [MP15-EN104] Common Noble Knights of the Round Table Box Set make both players send all

make both players send all cards they control to the Graveyard at the end of the 3rd Battle Phase after this card's activation

or if this card in its owner's possession is destroyed by an opponent's card effect: You can target 1 of your banished monsters

Special Summon as many "Harpie Lady" cards as possible from your Graveyard

Set: GX Ultimate Beginner's Pack 1 Card type: Effect Monster Rarity: Secret Rare Attack: 1000 Defense: 1000 When you have "Right Leg of the Forbidden One"

The ATK and DEF of a monster that destroys this card as a result of battle is decreased by 500 points

Curse of the Shadow Prison [MP15-EN104] Common Noble Knights of the Round Table Box Set make both players send allSet: 2015 Mega Tins Mega Pack Card type: Field Spell Rarity: Common Each time a "Shaddoll" monster(s) is sent to the Graveyard by a card effect, place 1 Spellstone Counter on this card for each sent monster. All monsters your opponent controls lose 100 ATK for each Spellstone Counter on this card during your opponent's turn only. Each time you Fusion Summon a "Shaddoll" Fusion Monster, you can remove 3 Spellstone Counters from this card to use 1