Umi Deck Breakdown

LIGHT 5

You can Set this card from your hand to your Spell & Trap Zone as a Spell. During your opponent's turn, if this Set card in the Spell & Trap Zone is destroyed and sent to your GY: Special Summon it. During your opponent's turn (Quick Effect): You can Tribute this card from your hand or face-up field; neither player can banish cards for the rest of this 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.

EARTH 5

If your opponent has 2 or more cards in their hand, you can Normal Summon this card without Tributing. You can only use each of the following effects of "K9 - #17 Izuna" once per turn. During the Main Phase, if your opponent activated a monster effect in the hand or GY this turn (Quick Effect): You can Special Summon this card from your hand. If this card is Normal or Special Summoned: You can send 1 "K9" card from your Deck to the GY, except "K9 - #17 Izuna".

DARK 5

If your opponent has 2 or more cards in their hand, you can Normal Summon this card without Tributing. You can only use each of the following effects of "K9 - #66a Jokull" once per turn. You can reveal this card and 1 other Level 5 monster in your hand; Special Summon both, but they cannot be used as material for the Xyz Summon of a LIGHT monster. During your Main Phase: You can add 1 non-Aqua "K9" monster from your Deck to your hand.

DARK 5

If your opponent has 2 or more cards in their hand, you can Normal Summon this card without Tributing. You can only use each of the following effects of "K9 - #66b Lantern" once per turn. If this card is in your hand: You can target 1 non-Pyro Level 5 "K9" monster in your GY; Special Summon both it and this card, but they cannot be used as material for the Xyz Summon of a LIGHT monster. During your Main Phase: You can add 1 "K9" Spell/Trap from your Deck to your hand.

EARTH 5

During the Main Phase, if your opponent activated a monster effect in the hand or GY this turn (Quick Effect): You can Special Summon this card from your hand or GY, but banish it when it leaves the field. During your opponent's turn, you can (Quick Effect): Immediately after this effect resolves, Xyz Summon using this card you control. You can only use each of the previous effects of "K9 - #ØØ Lupus" once per turn. An Xyz Monster that has this card as material gains this effect. ● Your opponent cannot target this card with card effects.

EARTH 7

If you control no monsters, you can Special Summon this card (from your hand). You can only use each of the following effects of "Kashtira Fenrir" once per turn. During your Main Phase: You can add 1 "Kashtira" monster from your Deck to your hand. When this card declares an attack, or if your opponent activates a monster effect (except during the Damage Step): You can target 1 face-up card your opponent controls; banish it, face-down.

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.

LIGHT 11

During the Main Phase, if your opponent Normal or Special Summoned 5 or more monsters this turn (Quick Effect): You can Tribute as many face-up monsters on the field as possible, and if you do, Special Summon this card from your hand, then Special Summon 1 "Primal Being Token" (Rock/LIGHT/Level 11/ATK ?/DEF ?) to your opponent's field. (This Token's ATK/DEF become the combined original ATK/DEF of the Tributed monsters.) You can only use this effect of "Nibiru, the Primal Being" once per turn.

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.

DARK

2 Effect Monsters If this card is Link Summoned using a Fusion, Synchro, Xyz, or Link Monster as material: You can target 1 card on the field or in either GY; banish it, also your monsters cannot attack directly this turn. When your opponent activates a card or effect (Quick Effect): You can target 2 face-up monsters on the field, including a monster you control; banish both until the End Phase. You can only use each effect of "S:P Little Knight" 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

3 Level 6 monsters You can also Xyz Summon this card by using "N.As.H. Knight" you control. (Transfer its materials to this card.) Cannot be destroyed by card effects. You can detach 1 material from this card; Special Summon from your Extra Deck, 1 "Number" Xyz Monster that has a number between "101" and "107" in its name, using this face-up card you control as material, but destroy it during your opponent's next End Phase. (This is treated as an Xyz Summon. Transfer its materials to the Summoned monster.) You can only use this effect of "CXyz N.As.Ch. Knight" 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.

WIND

2 Level 7 monsters You can also Xyz Summon this card by using a Rank 5 or 6 Xyz Monster you control as material. (Transfer its materials to this card.) If this card attacks a Defense Position monster, inflict piercing battle damage.

DARK

2 Level 5 monsters You can detach 1 material from this card, then target 1 Level 5 monster in either GY; Special Summon it to either field. If a face-up Level 5 monster you control is destroyed by battle, or leaves the field by an opponent's card effect, while you control this monster: You can add to your hand or Special Summon, 1 Level 5 monster from your Deck. You can only use each effect of "Imperial Princess Quinquery" once per turn.

WIND

2 Level 5 monsters You can detach 1 material from this card; add 1 "K9" card from your Deck to your hand, then, if your opponent activated a monster effect this turn, you can Set 1 "K9" Quick-Play Spell from your Deck or GY. When your opponent activates a monster effect in the hand or GY (Quick Effect): You can detach 1 material from this card; negate that effect. You can only use each effect of "K9 - #17 "Ripper"" once per turn.

LIGHT

2 Level 9 monsters While this card has material, it can attack a number of times each Battle Phase, up to the number of materials attached to it. When your opponent activates a card or effect (Quick Effect): You can detach 1 material from this card, then activate this effect depending on whose turn it is; ● Yours: Banish 1 card your opponent controls and/or 1 card from their GY. ● Your opponent's: Look at your opponent's hand and banish 1 card from it face-up until the End Phase. You can only use this effect of "K9 - EX "Werewolf"" once per turn.

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 Once per turn, during your Standby Phase, detach 1 material from this card. If you cannot, destroy it. This Attack Position card cannot be destroyed by your opponent's card effects. Your opponent cannot target this Attack Position card with card effects. While this card is in face-up Defense Position, change all face-up monsters on the field to Defense Position, also negate the activated effects of monsters that were in Defense Position when that effect was activated.

WATER

3 Level 5 monsters Once per turn: You can target 1 Special Summoned monster your opponent controls; attach it to this card as a face-up Xyz Material. When this card is destroyed and sent to the Graveyard while it has Xyz Material: You can Special Summon this card from your Graveyard, then gain LP equal to the original ATK of this card. "Number 101: Silent Honor ARK" must be in your Graveyard to activate and to resolve this effect. If this card is Special Summoned this way, it cannot attack for the rest of this turn.

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 You can target 1 monster your opponent controls; detach 1 material from an Xyz Monster you control, and if you do, destroy that monster. This is a Quick Effect if you control another WATER Xyz Monster. If another WATER Xyz Monster(s) you control is destroyed by battle or card effect while you control this monster: You can take 1 Spell from your Deck and place it on top of your Deck. You can only use each effect of "Valiant Shark Lancer" once per turn.

DARK

2 Level 5 monsters During the Main Phase (Quick Effect): You can detach 1 material from this card, then target 1 face-up monster your opponent controls; change it to face-down Defense Position. If this card is sent to the GY: You can target 1 face-down card on the field; destroy it. You can only use each effect of "Vallon, the Super Psy Skyblaster" once per turn.

Spell Continuous

When this card is activated: You can add 1 "K9" monster from your Deck to your hand. "K9" monsters you control gain 900 ATK the turn your opponent activated a monster effect in the hand or GY. If this card in the Spell & Trap Zone is destroyed by card effect: You can Set 1 "K9" Quick-Play Spell from your Deck or GY. You can only use this effect of ""Case of K9"" once per turn. You can only activate 1 ""Case of K9"" per turn.

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 Normal

Add 1 Level 5 or higher monster (LIGHT or DARK, Pyro or Aqua) from your Deck or GY to your hand, then if you have 3 or more Pyro and/or Aqua monsters in your GY, you can destroy 1 card on the field. If your opponent controls a monster (LIGHT or DARK, Pyro or Aqua): You can banish this card from your GY, then target 1 monster your opponent controls; take control of it until the End Phase. You can only use each effect of "Chaotic Elements" once per turn.

Spell Normal

Negate the effects of all face-up monsters your opponent currently controls, until the end of this turn, also, for the rest of this turn after this card resolves, your opponent takes no damage. Neither player can activate monster effects in response to this card's activation.

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 Quick

Send any number of other cards from your hand and/or field to the GY; choose that many Effect Monsters your opponent controls, and until the end of this turn, their ATK is halved, also their effects are negated. In response to this card's activation, your opponent cannot activate cards, or the effects of cards, with the same original type (Monster/Spell/Trap) as the cards sent to the GY to activate this card. You can only activate 1 "Forbidden Droplet" per turn.

Spell Normal

Destroy all Spell and Trap Cards your opponent controls.

Spell Quick

During the Main Phase: Target 1 "K9" Xyz Monster you control; Special Summon from your Extra Deck, 1 "K9" Xyz Monster with a different name, by using that monster you control as material (this is treated as an Xyz Summon, transfer its materials to the Summoned monster), then you can destroy 1 card your opponent controls. At the end of the Battle Phase, if your "K9" monster battled this turn: You can Set this card from your GY. You can only use each effect of "K9 - EX Forced Liberation" once per turn.

Spell Normal

If you control no face-up cards: Activate 1 of these effects; ● Destroy all Attack Position monsters your opponent controls. ● Destroy all Spells and Traps your opponent controls. You can only activate 1 "Lightning Storm" per turn.

Spell Normal

Banish 3 or 6 cards of your choice from your Extra Deck, face-down; for the rest of this turn after this card resolves, any damage your opponent takes is halved, also excavate cards from the top of your Deck equal to the number of cards banished, add 1 excavated card to your hand, place the rest on the bottom of your Deck in any order. You can only activate 1 "Pot of Prosperity" per turn. You cannot draw cards by card effects the turn you activate this card.

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.

Spell Normal

If your opponent has activated a monster effect during this turn: Set 1 Normal Spell/Trap directly from your Deck, except "Triple Tactics Thrust", or if your opponent controls a monster, you can add it to your hand instead. That Set card cannot be activated this turn. You can only activate 1 "Triple Tactics Thrust" per turn.

Trap Normal

Special Summon 1 "Artifact" monster from your Deck. You can only activate 1 "Artifact Sanctum" per turn. You cannot conduct your Battle Phase the turn you activate this card. If this card in its owner's possession is destroyed by an opponent's card: You can target 1 card on the field; destroy that target.

Trap Normal

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

Trap Normal

Declare 1 monster card type (Ritual, Fusion, Synchro, Xyz, or Pendulum); for the rest of this turn, neither player can Special Summon monsters of the declared type, also negate the effects of all monsters of that type while they are on the field. You can only activate 1 "Dimensional Barrier" 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 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 Normal

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