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 all monsters you control are WATER (min. 1): You can Special Summon this card from your hand, and if you do, add 1 Level 3, 4, or 5 Fish monster from your Deck to your hand, except "Abyss Shark". For the rest of this turn, you cannot Special Summon monsters, except WATER monsters, also, double the first battle damage inflicted to your opponent this turn by your "Number" monster battling another monster. You can only use this effect of "Abyss Shark" once per turn.

WATER 4

You can target 1 WATER monster you control; Special Summon from your Deck in Defense Position, 1 Fish monster with the same Level as that monster, but with a different name, and if you do, it cannot activate its effects this turn, 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 "Buzzsaw Shark" once per turn. If this card is used for the Xyz Summon of a WATER monster, it can be treated as a Level 3 or 5 monster.

WATER 4

A "Shark Drake" Xyz Monster that has this card as material gains this effect. ● Once per turn: You can detach 2 materials from this card, then target 1 Spell/Trap on the field; attach it to this card as material. You can only use each of the following effects of "Drake Shark" once per turn. If this card is added to your hand, except by drawing it: You can Special Summon this card. This card can be treated as 2 materials for the Xyz Summon of a WATER Xyz Monster that requires 3 or more materials.

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 7

If "Umi" is on the field: You can activate this effect; your WATER monsters can attack directly this turn. 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. You can only use each effect of "Mega Fortress Whale" once 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

If you control a WATER monster, you can Special Summon this card (from your hand), but you cannot Special Summon monsters from your hand for the rest of this turn.

WATER 4

If this card is used for the Xyz Summon of a WATER monster, it can be treated as a Level 3 or 5 monster. You can only use each of the following effects of "Surfacing Big Jaws" once per turn. During your Main Phase, if a Spell Card was activated this turn: You can Special Summon this card from your hand, also you cannot Special Summon from the Extra Deck for the rest of this turn, except Xyz Monsters. If this card is Normal or Special Summoned: You can add 1 Fish "Shark" monster from your Deck to your hand.

WATER

2 monsters, including a WATER monster (This card is always treated as a "Familiar-Possessed" card.) You can target 1 WATER monster in your opponent's GY; Special Summon it to your zone this card points to. If this Link Summoned card is destroyed by battle, or is destroyed by an opponent's card effect while in its owner's Monster Zone: You can add 1 WATER monster with 1500 or less DEF from your Deck to your hand. You can only use each effect of "Eria the Water Charmer, Gentle" 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.

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.

WATER 4

You can reveal this card and 1 WATER monster in your hand; Special Summon 1 of them and discard the other. You can only use this effect of "Fishborg Harpooner" once per turn. If this card is sent to the GY as material for a WATER Synchro Monster: You can negate the effects of 1 Effect Monster your opponent controls, until the end of this turn.

LIGHT 3

When a monster on the field activates its effect, or when a Spell/Trap that is already face-up on the field activates its effect (Quick Effect): You can send this card from your hand or field to the GY; destroy that card on the field. You can only use this effect of "Ghost Ogre & Snow Rabbit" once per turn.

LIGHT

2 Level 12 monsters Once per turn, if an Xyz Monster battled this turn, you can also Xyz Summon "Divine Arsenal AA-ZEUS - Sky Thunder" by using 1 Xyz Monster you control as material. (Transfer its materials to this card.) (Quick Effect): You can detach 2 materials from this card; send all other cards from the field to the GY. Once per turn, if another card(s) you control is destroyed by battle or an opponent's card effect: You can attach 1 card from your hand, Deck, or Extra Deck to this card as material.

WATER

3 Level 4 WATER monsters You can also Xyz Summon this card by using a Rank 3 WATER Xyz Monster you control that has no Xyz Materials as the Xyz Material. This card gains 200 ATK for each Xyz Material attached to it. If this face-up card would be destroyed, you can detach all of its Xyz Materials instead. If this card destroys an opponent's monster by battle: You can target 1 Spell/Trap Card your opponent controls; destroy that target.

WATER

2 Level 5 monsters Cannot be destroyed by battle while a "Number" monster is on the field. During the Main Phase (Quick Effect): You can detach 2 materials from this card; attach 1 "Number" Xyz Monster from your Extra Deck to this card as material that has a number between "101" and "107" in its name, then you can attach 1 other face-up monster on the field to this card as material. You can only use this effect of "N.As.H. Knight" once per turn.

WATER

2 Level 4 monsters You can detach 2 materials from this card, then target 1 Special Summoned monster your opponent controls in face-up Attack Position; attach it to this card as material. You can only use this effect of "Number 101: Silent Honor ARK" once per turn. If this face-up card on the field would be destroyed by battle or card effect, you can detach 1 material from this card instead.

EARTH

2 Level 4 monsters During either player's turn, when a monster effect is activated on your opponent's field (except during the Damage Step): You can detach 2 Xyz Materials from this card, then target 1 Effect Monster your opponent controls; while this card is face-up on the field, that Effect Monster's effects are negated, also it cannot change its battle position.

WATER

3 Level 4 monsters Once per turn, when this attacking card destroys an opponent's monster by battle and sends it to the GY: You can detach 1 material from this card; Special Summon the destroyed monster to your opponent's field in Attack Position (but it loses 1000 ATK), and if you do, this card can make a second attack during this Battle Phase.

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

4 Level 5 monsters You can also Xyz Summon this card by discarding 1 Spell, and using a Rank 4 "Shark Drake" Xyz Monster you control as material. (Transfer its materials to this card.) Once per turn (Quick Effect): You can detach 1 material from this card, then target 1 Effect Monster your opponent controls; negate its effects, and if you do, its ATK/DEF become 0. This card can make a second attack during each Battle Phase, also if it attacks a Defense Position monster, inflict piercing battle damage to your opponent.

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.

WIND

2 Level 4 monsters Once per turn (Quick Effect): You can detach 1 material from this card, then target 1 Spell/Trap on the field; destroy it.

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

Add 1 "Torrential Tribute" from your Deck to your hand. If a WATER monster(s) you control would be destroyed by card effect, you can banish this card from your GY instead. You can only use each effect of "Fury of Kairyu-Shin" once per turn.

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.

Spell Normal

Reveal 1 "Number" Xyz Monster in your Extra Deck that has a number between "101" and "107" in its name; add 1 monster from your Deck to your hand with the same Type or Attribute as that monster, and the same Level as that monster's Rank, then place 1 card from your hand on top of the Deck, also for the rest of this turn after this card resolves, you cannot Special Summon from the Extra Deck, except Xyz Monsters. You can only activate 1 "Seventh Tachyon" per turn.

Spell Normal

If your opponent has activated a monster effect during your Main Phase this turn: Activate 1 of these effects; ● Draw 2 cards. ● Take control of 1 monster your opponent controls until the End Phase. ● Look at your opponent's hand, and choose 1 card from it to shuffle into the Deck. You can only activate 1 "Triple Tactics Talent" per turn.

Trap Continuous

Both players must Set Spell Cards before activating them, and cannot activate them until their next turn after Setting them.

Trap Normal

This turn, any monster sent to the GY is banished instead.

Trap Continuous

Each player can only control 1 Attribute of monster. Send all other face-up monsters they control to the GY.

Trap Counter

When a Spell/Trap Card, or monster effect, is activated on the field: Pay half your LP; negate the activation, and if you do, destroy that card, then destroy any other cards in the same column the destroyed card was in, that are in the Monster Zones or Spell & Trap Zones.

Trap Normal

Send 1 face-up "Umi" you control to the GY; Special Summon up to 2 monsters with different names from your hand and/or Deck, that mention "Umi" or are WATER Normal Monsters, 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 and/or Deck. Until the end of your next turn after this card resolves, you cannot Special Summon monsters, except WATER monsters. You can only activate 1 "Kairyu-Shin's Dark Reef" 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.

Trap Continuous

Activate by paying 1000 LP. Negate the effects of all face-up monsters while they are face-up on the field (but their effects can still be activated).

Trap Counter

When a monster(s) would be Summoned, OR a Spell/Trap Card is activated: Pay half your LP; negate the Summon or activation, and if you do, destroy that card.

Trap Continuous

Each player can only control 1 monster of each Type. If a player controls 2 or more monsters of the same Type, they must send some to the GY so they control no more than 1 monster of that Type.

Trap Normal

When a monster(s) is Summoned: Destroy all monsters on the field.