Denizen of the Deep [Portal Second Age] Oath of the Gatewatch Prerelease Promos negate that target's effects until

negate that target's effects until the end of this turn

then destroy as many cards in your Spell & Trap Card Zone as possible

during your opponent's turn: You can detach 1 Xyz Material from this card

or card effect that could have targeted this card: You can activate this effect

This card gains 500 ATK for each Dragon-Type monster on you side of the field except this card

Denizen of the Deep [Portal Second Age] Oath of the Gatewatch Prerelease Promos negate that target's effects untilSet: Portal Second Age Type: Creature Serpent Rarity: Rare Cost: {6}{U}{U} When Denizen of the Deep enters the battlefield, return each other creature you control to its owner's hand.