Umi Deck Breakdown

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.

LIGHT

2 Xyz Monsters with the same Rank, except "Number" monsters (This card's original Rank is always treated as 1.) Cannot be destroyed by battle, and neither player takes any battle damage from attacks involving this card. At the end of the Damage Step, if this card battled an opponent's monster: You can take control of that opponent's monster until the end of the Battle Phase. If this face-up card on the field would be destroyed by a card effect, you can detach 1 material from this card instead.

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 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.

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

Destroy all Spell and Trap Cards your opponent controls.

WATER

2 Level 3 monsters If this card is Special Summoned: You can add 1 "Virtue Stream" from your Deck to your hand. You can activate 1 of these effects; ● Detach 1 material from a monster you control, then add 1 Fish, Sea Serpent, or Aqua monster from your GY to your hand, except "LeVirtue Dragon". ● Target 2 Xyz Monsters on the field; attach 1 material from 1 of those monsters to the other. You can only use each effect of "LeVirtue Dragon" 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.

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 monsters While this card has a material attached that was originally WATER, all WATER monsters you control gain 500 ATK. Once per turn (Quick Effect): You can detach 1 material from this card; your opponent cannot activate any card effects in their GY this turn.

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 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 Normal

Target 1 face-up monster your opponent controls; negate its effects (until the end of this turn), then, if this card was Set before activation and is on the field at resolution, for the rest of this turn all other Spell/Trap effects in this column are negated. If you control no cards, you can activate this card from your hand.

WATER 4

If you control no cards (Quick Effect): You can discard this card; apply these effects this turn. ● Each time your opponent Normal or Special Summons a monster(s) from the hand, 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

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.

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

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.

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.

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.

Trap Normal

Target 1 Fish, Sea Serpent, or Aqua monster you control and 2 cards your opponent controls; destroy them. You can banish this card from your GY, then target 1 face-up monster on the field; if it is a WATER monster, the next time it would be destroyed by card effect this turn, it is not destroyed. If it is not, it becomes WATER. You can only use each effect of "Virtue Stream" once per turn.

Trap Normal

At the end of the Battle Phase, if your opponent controls more cards than you do: You can make your opponent banish cards from their field face-down so they control the same number of cards as you do. If you control no cards, you can activate this card from your hand.

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

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.

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.

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.

Trap Continuous

Neither player can Summon more than two times per turn. (Negated Summons count toward this limit. Negated cards/effects that would Summon do not count.)

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.

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.

WATER

3 Level 4 monsters Once per turn, when this attacking card destroys an opponent's monster by battle and sends it to the Graveyard: You can detach 1 Xyz Material from this card; Special Summon the destroyed monster to your opponent's side of the field in face-up Attack Position, also it loses 1000 ATK, and if you do Summon this way, this card can make a second attack during this Battle Phase.

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.

Spell Continuous

Any monster sent to the Graveyard is banished instead.

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 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 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.

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.

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

3 Xyz Monsters with the same Rank, except "Number" monsters (This card's original Rank is always treated as 1. This card is always treated as a "Utopic Future" card.) You can also Xyz Summon this card by using "Number F0: Utopic Future" you control as material. (Transfer its materials to this card.) Cannot be destroyed by battle or card effects. Once per turn, when your opponent activates a monster effect (Quick Effect): You can detach 1 material from this card; negate the activation, then, if that monster is on the field, gain control of it.

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 with the same Type and/or Attribute as the revealed monster, and a Level equal to its Rank, from your Deck to your hand, then place 1 card from your hand on top of the Deck. 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.

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.