Giant Tortoise (Dark Mana Cost) [Arabian Nights] Master Collection Volume 1 ) This card gains 500

) This card gains 500 ATK for each Xyz Material attached to it

you can negate the activation and destroy that card

You can only use this effect of "Knightmare Mermaid" once per turn

increase this card's Level by that monster's

Set: OTS Tournament Pack 13 Card type: Fusion/Effect Monster Rarity: Super Rare Attack: 3000 Defense: 2800 "A-Assault Core" + "B-Buster Drake" + "C-Crush Wyvern" Must first be Special Summoned (from your Extra Deck) by banishing the above cards you control and/or from your GY

Giant Tortoise (Dark Mana Cost) [Arabian Nights] Master Collection Volume 1 ) This card gains 500Set: Arabian Nights Type: Creature Turtle Rarity: Common Cost: {1}{U} Giant Tortoise gets +0 +3 as long as it's untapped.