Double Fin Shark [DUSA-EN001] Ultra Rare Effect Monster You must not control any

You must not control any face-up "Destiny HERO" monsters to activate and to resolve this effect

then if its ATK has been reduced to 0 as a result

Set: Savage Strike Card type: Effect Monster Rarity: Common Attack: 1500 Defense: 1500 If this card is sent to the GY as material for the Fusion or Link Summon of a "Prank-Kids" monster: You can banish 1 card from your hand

except "Gouki Twistcobra"

Set: Shadows in Valhalla Card type: Effect Monster Rarity: Super Rare Attack: 1600 Defense: 1600 If this card is Summoned: You can target 1 monster your opponent controls

Double Fin Shark [DUSA-EN001] Ultra Rare Effect Monster You must not control anySet: Duelist Saga Card type: Effect Monster Rarity: Ultra Rare Attack: 1000 Defense: 1200 When this card is Normal Summoned: You can target 1 Level 3 or 4 WATER Fish Type monster in your Graveyard; Special Summon that target in Defense Position, but it has its effects negated. You cannot Special Summon any monsters during the turn you activate this effect, except WATER monsters.