Umi Deck Breakdown

WATER 5

If this card is used for the Xyz Summon of a "Number" monster, it can be treated as a Level 3 or 4 monster. If this card is in your hand or GY: You can target 1 WATER monster on the field; Special Summon this card (but banish this card when it leaves the field), and if you do, halve that monster's ATK, also, you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Xyz Monsters. You can only use this effect of "Crystal Shark" once per turn.

WATER 4

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 effect, or Spell Card or effect, while "Umi" is on the field (Quick Effect): You can negate that effect, then, you can make this card gain 600 ATK/DEF. You can only use each effect of "Electric Jellyfish" once per turn.

WATER 1

If you control no face-up monsters, you can Special Summon this card (from your hand), and if you do, it is treated as a Tuner. You can discard 1 card and reveal 1 WATER Synchro Monster in your Extra Deck; add 1 WATER monster with the same Type as the revealed monster, but 1 Level lower, from your Deck to your hand, then you can change this card to face-down Defense Position, also you cannot Special Summon from the Extra Deck for the rest of this turn, except WATER monsters. You can only use this effect of "First Penguin" once per turn.

WATER 6

When an effect resolves that was activated by an Effect Monster that was on your opponent's side of the field, they must discard 1 card or the effect is negated (their choice).

EARTH 2

During either player's turn: You can send this card from your hand to the Graveyard; this turn, each time your opponent Special Summons a monster(s), immediately draw 1 card. You can only use 1 "Maxx "C"" per turn.

WIND 4

If you control no cards (Quick Effect): You can discard this card; apply these effects this turn. ● Each time your opponent Special Summons a monster(s) from the Deck and/or Extra Deck, immediately draw 1 card. ● Once, during this End Phase, if the number of cards in your hand is more than the number of cards your opponent controls +6, you must randomly shuffle cards from your hand into the Deck so the number in your hand equals the number your opponent controls +6. You can only activate 1 other "Mulcharmy" monster effect, the turn you activate this effect.

WATER 5

While "Umi" is on the field, each player can only control 1 face-up non-WATER monster. (If a player controls 2 or more, they must send some to the GY so they only control 1.) During your Main Phase: You can add from your Deck to your hand 1 "Umi", 1 "Kairyu-Shin" Spell/Trap, or 1 "Sea Stealth" Spell/Trap. You can only use this effect of "Ocean Dragon Lord - Kairyu-Shin" once per turn.

WATER 4

You can target 1 WATER monster in your GY; apply 1 of these effects, also you cannot Special Summon monsters for the rest of this turn, except WATER monsters. ● (Only if the target has a Level) until the End Phase, this card's Level, also its name, become the same as that monster's. ● (Only if "Umi" is on the field), Special Summon that monster in Defense Position. You can banish this card from your GY, then target 1 "Umi" in your GY; add it to your hand. You can only use each effect of "Yorishiro of the Aqua" once per turn.

WATER

2 WATER monsters All WATER monsters on the field gain 500 ATK and DEF, also all FIRE monsters on the field lose 400 ATK and DEF. If this card is destroyed by battle or card effect: You can target 1 WATER monster in your GY; add it to your hand. You can only use this effect of "Mistar Boy" once per turn.

WATER 8

1 Tuner + 1+ non-Tuner monsters During your Main Phase: You can excavate the top 5 cards of your Deck, and if you do, you can return cards your opponent controls to the hand, up to the number of excavated Rock monsters, also place the excavated cards on the bottom of your Deck in any order. When your opponent activates a Spell/Trap Card or effect, while a WATER monster is in your GY (Quick Effect): You can negate the activation, and if you do, destroy it. You can only use each effect of "Adamancipator Risen - Dragite" once per turn.

WATER 6

1 Tuner + 1+ non-Tuner monsters You can discard any number of cards to the GY, then target the same number of cards your opponent controls; return those cards to the hand. You can only use this effect of "Brionac, Dragon of the Ice Barrier" once per turn.

WATER 8

1 Aqua-Type Tuner + 1 or more non-Tuner monsters When this card is Synchro Summoned: You can target cards your opponent controls, up to the number of WATER monsters used for the Synchro Summon of this card; destroy them. If this card is destroyed by battle or card effect and sent to the Graveyard: You can target 1 other WATER monster in your Graveyard; Special Summon it, but its effects are negated. You can only use each effect of "Graydle Dragon" once per turn.

WATER 10

1 WATER Tuner + 1+ non-Tuner monsters Once per Chain, if your opponent Special Summons a monster(s) (except during the Damage Step): You can Special Summon 1 "Ice Barrier" monster from your hand, Deck, Extra Deck, or GY, then you can change 1 Attack Position monster your opponent controls to Defense Position. You can only use this effect of "Lancea, Ancestral Dragon of the Ice Mountain" twice per turn. If this face-up Synchro Summoned card in its owner's control leaves the field because of an opponent's card: You can Special Summon 1 "Ice Barrier" Synchro Monster from your Extra Deck. (This is treated as a Synchro Summon.)

WATER 10

1 Tuner + 1+ non-Tuner monsters For each banished card, this card gains 100 ATK/DEF and monsters your opponent controls lose 100 ATK/DEF. If this card would be destroyed by card effect, you can banish 1 card from your GY instead. If a card(s) is banished (except during the Damage Step): You can banish 1 card each from both your opponent's field and GY. You can only use this effect of "Swordsoul Supreme Sovereign - Chengying" once per turn.

WATER 11

1 Tuner + 2+ non-Tuner monsters When this card is Synchro Summoned: You can banish up to 3 cards your opponent controls. If this Synchro Summoned card in its owner's control is destroyed by an opponent's card: You can Special Summon 1 "Trishula, Dragon of the Ice Barrier" from your Extra Deck or GY, its ATK becomes 3300, then halve the ATK of any face-up monsters your opponent currently controls, also negate their effects. You can only use this effect of "Trishula, Zero Dragon of the Ice Barrier" once per turn.

FIRE 3

When a card or effect is activated that includes any of these effects (Quick Effect): You can discard this card; negate that effect. ● Add a card from the Deck to the hand. ● Special Summon from the Deck. ● Send a card from the Deck to the GY. You can only use this effect of "Ash Blossom & Joyous Spring" once per turn.

EARTH 3

When a card or effect is activated that includes any of these effects (Quick Effect): You can discard this card; negate that activation. ● Add a card(s) from the GY to the hand, Deck, and/or Extra Deck. ● Special Summon a Monster Card(s) from the GY. ● Banish a card(s) from the GY. You can only use this effect of "Ghost Belle & Haunted Mansion" once per turn.

WATER 7

This card's name becomes "Icejade Cenote Enion Cradle" while equipped with an Equip Card. You can discard 1 other "Icejade" card or WATER monster; Special Summon this card from your hand, then you can Special Summon 1 "Icejade Token" (Aqua/WATER/Level 3/ATK 0/DEF 0). While that Token is in the Monster Zone, the player who Summoned it cannot Special Summon from the Extra Deck, except WATER monsters. You can only use this effect of "Icejade Ran Aegirine" once per turn.

WATER

2 Level 4 WATER monsters Once per turn: You can detach 1 material from this card; Special Summon 1 Rank 3 or lower WATER Xyz Monster from your Extra Deck. This card cannot attack for the rest of this turn.

WATER

3 Level 7 monsters Once per turn, you can also Xyz Summon "Full Armored Dark Knight Lancer" by using 1 Rank 5 or 6 Xyz Monster you control. (Transfer its materials to this card.) Gains 300 ATK for each material and Equip Card it has. Once per turn: You can target 1 "Xyz" card in your GY; add it to your hand. Once per turn, if an Equip Card becomes equipped to a monster you control (except during the Damage Step): You can attach 1 monster your opponent controls to this card as material.

WATER

3 Level 4 monsters Once per turn, you can also Xyz Summon "Full Armored Utopic Ray Lancer" by discarding 1 Spell/Trap and using 1 Rank 4 or lower Xyz Monster you control. (Transfer its materials to this card.) Monsters your opponent controls lose 500 ATK. At the start of the Battle Phase: You can negate the effects of all Attack Position monsters your opponent currently controls. When this attacking card destroys an opponent's monster by battle: You can detach 1 material from this card; it can make a second attack in a row.

WATER

2 Level 4 WATER monsters All face-up monsters on the field become WATER. Once per turn, during the Main Phase (Quick Effect): You can destroy 1 WATER monster your opponent controls, and if you do, inflict damage to your opponent equal to half the ATK it had on the field. If this Xyz Summoned card is destroyed: You can Special Summon "Stealth Kragen Spawn(s)" from your Extra Deck, up to the number of materials this card had, then you can attach up to 1 WATER monster from your GY to each of those Special Summoned monsters as material.

WATER

2 Level 4 WATER monsters Once per turn, during the Main Phase (Quick Effect): You can destroy 1 WATER monster your opponent controls. If this card, Special Summoned by the effect of a "Number" Xyz Monster, is destroyed: You can Special Summon other "Stealth Kragen" monsters from your GY, up to the number of materials this card had, then you can attach up to 1 WATER monster from your GY to each of those Special Summoned monsters as material.

DARK

2 Level 12 monsters During the turn, or turn after, your opponent Special Summoned 2 or more monsters from the Extra Deck, you can also Xyz Summon this card by using 1 monster you control with the highest ATK (your choice, if tied). (Transfer its materials to this card.) If you do, you cannot Normal or Special Summon monsters for the rest of this turn. While this Xyz Summoned monster is on the field, neither player can activate the effects of monsters with 3000 or more ATK. Once per turn: You can detach 1 material from this card; return 1 monster from the field to the hand.

WATER

2 Level 5 monsters Once per turn, you can also Xyz Summon "Xyz Armor Fortress" by using 1 Rank 3 or 4 Xyz Monster you control. (Transfer its materials to this card.) Cannot be used as material for an Xyz Summon while it has material. Once per turn: You can detach up to 2 materials from this card; add "Armored Xyz" cards with different names from your Deck to your hand, equal to the number detached. If a monster equipped with this card battles a monster, any battle damage it inflicts to your opponent is doubled.

WATER

2 Level 3 monsters Cannot attack unless it has material. You can detach 2 materials from this card; draw 1 card. You can only use this effect of "Xyz Armor Torpedo" once per turn. Apply these effects while this card is equipped to a monster. ● If the equipped monster battles, until the end of the Damage Step, your opponent cannot activate cards or effects, also negate the effects of all face-up monsters they control. ● If the equipped monster is an Xyz Monster, your opponent cannot target it with card effects.

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 monster in your opponent's GY; banish it, and if you do, until the end of the next turn, its effects are negated, as well as the activated effects and effects on the field of monsters with the same original name.

Spell Normal

Add 1 Level 7 or lower monster from your Deck to your hand, that mentions "Umi", or is a WATER Normal Monster, then if "Umi" is on the field, you can Special Summon 1 WATER Normal Monster from your Deck. You can only activate 1 "Fish Sonar" per turn.

Spell Normal

Send 1 Spell/Trap from your Deck to the GY. You can only activate 1 "Foolish Burial Goods" per turn.

Spell Quick

During this turn, each time a card(s) is removed from play from your hand, your side of the field, and/or your Graveyard by the effect of an opponent's Effect Monster: ● If a card in your hand is removed from play, remove from play up to 2 random cards in your opponent's hand. ● If a card you control is removed from play, remove from play up to 2 cards your opponent controls. ● If a card in your Graveyard is removed from play, remove from play up to 2 cards in your opponent's Graveyard.

Spell Continuous

This card's name becomes "Umi" while on the field or in the GY. Your opponent cannot target WATER monsters you control with non-WATER monster effects. At the start of the Battle Phase: You can Special Summon from your hand or GY, 1 monster that mentions "Umi", or 1 WATER Normal Monster, in Defense Position, but destroy it at the end of the Battle Phase. You can only use this effect of "Sea Stealth II" once per turn.

Trap Normal

If your opponent controls a card, you can activate this card from your hand. When a card or effect is activated that includes an effect that Special Summons a monster(s): Negate that effect, then if you have a Trap in your GY, destroy that card. If you activated this card from your hand, you cannot activate the effects of LIGHT, EARTH, and WIND monsters for the rest of this Duel. You can only activate 1 "Dominus Impulse" per turn.

Trap Normal

If an Xyz Monster(s) is on the field: Immediately after this effect resolves, Xyz Summon 1 Xyz Monster using monsters you control. You can banish this card from your GY, then target 1 Xyz Monster you control; equip 1 other Xyz Monster from your face-up field or GY to that monster as an Equip Spell with the following effects. ● The equipped monster gains ATK equal to this card's ATK. ● If the equipped monster would be destroyed by battle or card effect, destroy this card instead.

Trap Normal

When an attack is declared involving your opponent's monster: Change that opponent's monster's ATK to 0, negate its effects, also it cannot change its battle position. You can banish this card from your GY; send 1 Level 5 or higher WATER monster from your Deck to the GY, then, you can add 1 WATER monster from your GY to your hand, also, until the end of your next turn after this effect resolves, you cannot Special Summon monsters, except WATER monsters. You can only use this effect of "Ice Barrier" once per turn.

Trap Continuous

When this card is activated: You can activate 1 "Umi" from your hand or GY. While "Umi" is on the field, this face-up card gains these effects. ● Once per turn: You can banish 1 WATER monster you control until the End Phase; this turn, face-up Spells/Traps you control cannot be destroyed by your opponent's card effects (even if this card leaves the field). ● At the start of the Damage Step, if your WATER monster whose original Level is 5 or higher battles an opponent's monster: Destroy that opponent's monster.