Fortress Whale [TP7-EN003] Super Rare Limited if your other DARK Spellcaster

if your other DARK Spellcaster monster battles an opponent's monster (Quick Effect): You can send this card from your hand or face-up from your field to the GY

Set: Platinum: Arceus Type: Darkness Rarity: Holo Rare Retreat cost: Colorless

Increase the ATK of this card by 300 points for each card in your Graveyard that includes 'Elemental Hero' in its card name

Set: XY: Trainer Kit - Sylveon Type: Fairy Rarity: Promo Retreat cost: Colorless

Set: EX: Delta Species Type: Fighting

Fortress Whale [TP7-EN003] Super Rare Limited if your other DARK SpellcasterSet: Tournament Pack 7 Card type: Ritual Monster Rarity: Super Rare Attack: 2350 Defense: 2150 This monster can only be Ritual Summoned with the Ritual Spell Card, "Fortress Whale's Oath".