Umi Deck Breakdown

WATER 4

Once per turn: You can discard 1 WATER monster to the Graveyard to target 1 card on the field; return it to the hand.

WATER 4

This card cannot be Normal Summoned or Set. This card can only be Special Summoned by removing from play 1 WATER monster in your Graveyard. During each of your opponent's Standby Phases, you can change the battle position of 1 of your opponent's face-up Monster Cards. Once changed, the monster must remain in this position for the rest of the turn.

DARK 4

If this card is Normal Summoned: Place 1 Spell Counter on it (max. 1). Gains 300 ATK for each Spell Counter on it. You can remove 1 Spell Counter from this card, then target 1 Spell/Trap on the field; destroy that target.

WATER 7

You can send 1 face-up "Umi" you control to the GY; destroy all other cards on the field.

WATER 4

While "Umi" is face-up on the field, this card can attack twice during the same Battle Phase.

WATER 6

When this card is Tribute Summoned: You can target up to 2 Spell/Trap Cards on the field; destroy those targets.

WATER 4

When this card is destroyed by battle and sent to the Graveyard: You can Special Summon 1 WATER monster with 1500 or less ATK from your Deck, in face-up Attack Position.

DARK 3

If this card is sent from the field to the GY: Add 1 monster with 1500 or less ATK from your Deck to your hand, but you cannot activate cards, or the effects of cards, with that name for the rest of this turn. You can only use this effect of "Sangan" once per turn.

WATER 1

During your Standby Phase, if this card is in your GY: You can add it to your hand, also banish 1 "Sinister Serpent" from your GY during your opponent's next End Phase. You can only use this effect of "Sinister Serpent" once per turn.

WATER 4

Discard 1 card from your hand and declare 1 Type of monster. Destroy all face-up monsters of the declared Type on the field.

WATER 3

If this card is destroyed by battle and sent to the GY: Destroy the monster that destroyed this card.

DARK 4

FLIP: Special Summon 1 "Gravekeeper's" monster with 1500 or less ATK from your Deck.

LIGHT 1

FLIP: Target 1 Spell in your GY; add that target to your hand.

WATER 4

This young evildoer used to have an evil heart, but by meeting a special person, he discovered justice.

Spell Field

(This card's name is always treated as "Umi".) All WATER monsters on the field gain 200 ATK/DEF. Reduce the Level of all WATER monsters in both players' hands and on the field by 1.

Spell Quick

Target 1 face-up monster on the field; change that target to face-down Defense Position.

Spell Normal

Each player chooses 1 monster they control and switches control of those monsters with each other. Those monsters cannot change their battle positions for the rest of this turn.

Spell Normal

Pay 1000 LP; your opponent discards 1 random card, and if they have any other cards in their hand, discard 1 more card of their choice.

Spell Normal

Draw 3 cards, then discard 2 cards.

Spell Normal

Destroy all Spell and Trap Cards on the field.

Spell Quick

Target 1 Spell/Trap on the field; destroy that target.

Spell Normal

Target 1 face-down monster on the field; destroy that target, and if you do, banish it, then, if it was a Flip monster, each player reveals their Main Deck, then banishes all cards from it with that monster's name.

Spell Normal

Draw 2 cards.

Spell Equip

Activate this card by paying 800 LP, then target 1 monster in your Graveyard; Special Summon that target in Attack Position and equip it with this card. When this card is destroyed, destroy the equipped monster.

Spell Normal

Target 2 WATER monsters with 1500 or less ATK in your Graveyard; add those targets to your hand.

Spell Equip

Equip only to a monster your opponent controls. Take control of the equipped monster. During each of your opponent's Standby Phases: They gain 1000 Life Points.

Spell Normal

Add 1 Field Spell from your Deck to your hand.

Trap Normal

When an opponent's monster declares an attack: Destroy all your opponent's Attack Position monsters.

Trap Normal

During your opponent's turn: Target 1 face-up monster your opponent controls whose ATK is less than or equal to their LP; destroy that face-up monster, and if you do, take damage equal to its original ATK, then inflict damage to your opponent, equal to the damage you took. You can only activate 1 "Ring of Destruction" per turn.

Trap Continuous

Negate all other Trap effects on the field.