Neptabyss, the Atlantean Prince [MP16-EN236] Ultra Rare OTS Tournament Pack 3 the equipped monster's ATK is

the equipped monster's ATK is half its original ATK

you can further increase its ATK by an amount equal to half the ATK of your target

or flips that monster(s) face-up

it had to be locked away for a millennia

Neptabyss, the Atlantean Prince [MP16-EN236] Ultra Rare OTS Tournament Pack 3 the equipped monster's ATK isSet: 2016 Mega Tins Mega Pack Card type: Effect Monster Rarity: Ultra Rare Attack: 800 Defense: 0 You can send 1 "Atlantean" monster from your Deck to your Graveyard, except "Neptabyss, the Atlantean Prince"; add 1 "Atlantean" card from your Deck to your hand, except "Neptabyss, the Atlantean Prince". If this card is sent to the Graveyard to activate a WATER monster's effect: Target 1 "Atlantean" monster in your Graveyard, except "Neptabyss, the