The Dragon Dwelling in the Deep [ABPF-EN086] Super Rare 2018 Mega-Tins then if they have the

then if they have the declared card in their hand

you can also look at your opponent's Extra Deck and banish up to 3 monsters from it with different names

then target up to 2 Spells/Traps on the field

or targets this card for an attack: You can change this card's battle position

your attacking monster gains 800 ATK

The Dragon Dwelling in the Deep [ABPF-EN086] Super Rare 2018 Mega-Tins then if they have theSet: Absolute Powerforce Card type: Effect Monster Rarity: Super Rare Attack: 1700 Defense: 1400 Place 1 Ocean Counter on this card during each player's Standby Phases. When this card is removed from the field, all Fish Type and Sea Serpent Type monsters you control gain 200 ATK for each Ocean Counter on this card, until the End Phase.