Giga-Fortress Whale
Level 7 WATER
Fish / Effect
You can only use each of the effects of this card once per turn.
You can activate this effect if "Umi" is on the field: This turn, your WATER monsters can attack directly.
During your opponent's Battle Phase (Quick Effect): You can target 1 face-up monster your opponent controls; Destroy it.
If this card on the field is destroyed by battle or card effect: You can either add to your hand or Special Summon 1 WATER Warrior monster from your Deck or GY.
Death Kraken
Level 4 WATER
Aqua / Effect
You can only use each of the effects of this card once per turn.
If "Umi" is on the field {Quick Effect): You can target 1 WATER monster you control, except "Death Kraken", and 1 monster your opponent controls; Special Summon this card from your hand, and if you do, return your monster to the hand, and if you do, destroy the opponent's monster.
When your opponent's monster declares an attack: You can return this card to the hand, and if you do, negate that attack.
Electric Jellyfish - Man O' War
Level 4 WATER
Aqua / Effect
You can only use each of the effects of this card once per turn.
You can send 1 "Umi" from your hand, Deck or face-up field to the GY; Special Summon 1 WATER monster from your hand.
When your opponent activates a monster or Spell effect while "Umi" is on the field: You can negate that effect, then you can make this card gain 600 ATK/DEF.
Fish Sonar
Normal Spell
You can only activate this card once per turn.
Add 1 Level 7 or lower monster that specifically lists "Umi" in its card text, or 1 Level 7 or lower Normal WATER monster from your Deck to your hand, then if "Umi" is on the field, you can Special Summon 1 Normal WATER monster from your Deck.
Sea Stealth II
Continuous Spell
You can only use the effect of this card once per turn.
This card's name becomes "Umi" while on the field or in the GY.
WATER monsters that you control, cannot be targeted by your opponent's non-WATER monster's effects.
At the start of the Battle Phase: You can Special Summon from your hand or GY, 1 monster that specifically lists "Umi" in its card text or 1 Normal WATER monster, but destroy it during the end of the Battle Phase.
Leviathans of Dark Rock
Normal Trap
You can only activate this card once per turn.
You can send 1 face-up "Umi" you control to the GY; Special Summon from your hand and/or Deck in Defense Position, up to 2 monsters with different names, that either specifically list "Umi" in its card text and/or are Normal WATER monsters. Then if your opponent controls a monster(s), you can Special Summon any number of Level 6 or lower Normal WATER monsters from your Deck. Also after this card's activation, you cannot Special Summon monsters until the end of your next turn, except WATER monsters.
