It’s the next evolution in Sea Stealth!
The Pack Cover is Nas(c)h from Yu-Gi-Oh! ZEXAL and a new Chaos Xyz Barian!
DP26-JP016 Daiyousai Kujira (Mega Fortress Whale)
Level 7 WATER Fish Effect Monster
ATK 2550
DEF 2350
You can only use the 1st, 2nd, and 3rd effect of this card’s name each once per turn.
(1) If “Umi” is face-up on the field: You can activate this effect; your WATER monsters can attack directly this turn.
(2) During your opponent’s Battle Phase (Quick Effect): You can target 1 face-up monster they control; destroy it.
(3) If this card on the field is destroyed by battle or card effect: You can take 1 WATER Warrior monster from your Deck or GY, and either add it to your hand or Special Summon it.
DP26-JP018 Death Kraken (Doom Kraken)
Level 4 WATER Aqua Effect Monster
ATK 1400
DEF 1600
You can only use the 1st and 2nd effect of this card’s name each once per turn.
(1) If “Umi” is face-up on the field (Quick Effect): You can target 1 WATER monster you control, except “Doom Kraken”, and 1 monster your opponent controls; Special Summon this card from your hand, and if you do, return the first target to the hand, and if you do that, destroy the second target.
(2) When an opponent’s monster declares an attack: You can return this card to the hand, and if you do, negate that attack.
DP26-JP019 Denki Kurage – Physalia – (Electric Jellyfish – Physalia / Physalia)
Level 4 WATER Aqua Effect Monster
ATK 1400
DEF 1700
You can only use the 1st and 2nd effect of this card’s name each once per turn.
(1) You can send 1 “Umi” from your hand, Deck, or face-up field to the GY; Special Summon 1 WATER monster from your hand.
(2) When your opponent activates a Spell Card or effect, or a monster effect, and “Umi” is face-up on the field (Quick Effect): You can negate that effect, then this card gains 600 ATK/DEF.
DP26-JP020 Fish Sonar
Normal Spell
You can only activate 1 card with this card’s name per turn.
(1) Add 1 Level 7 or lower monster that is a WATER Normal Monster or specifically lists “Umi” in its text from your Deck to your hand, then, if “Umi” is face-up on the field, you can Special Summon 1 WATER Normal Monster from your Deck.
DP26-JP021 Sea Stealth II
Continuous Spell Card
You can only use the 3rd effect of this card’s name once per turn.
(1) This card’s name becomes “Umi” while face-up on the field or in the GY.
(2) Your opponent cannot target WATER monsters you control with non-WATER monsters’ effects.
(3) At the start of the Battle Phase: You can Special Summon 1 monster that specifically lists “Umi” in its text or 1 WATER Normal Monster from your hand or GY in Defense Position, but destroy it at the end of that Battle Phase.
DP26-JP022 Angan no Leviathan (Leviathan of the Reef / Kairyu-Shin of the Reef)
Normal Trap Card
You can only activate 1 card with this card’s name per turn.
(1) Send 1 face-up “Umi” you control to the GY; you cannot Special Summon monsters until the end of your next turn, except WATER monsters, also Special Summon up to 2 WATER Normal Monsters, and/or monsters that specifically list “Umi” in their text, with different names from your hand or Deck in Defense Position, then, if your opponent controls a monster, you can Special Summon any number of Level 6 or lower WATER Normal Monsters from your hand or Deck.