Umi Deck Breakdown

WATER 4

Neither player can Special Summon monsters, except WATER monsters.

WIND 1

If a card(s) is added from the Main Deck to your opponent's hand, except during the Draw Phase (Quick Effect): You can send this card from your hand to the GY; for the rest of this turn, cards cannot be added from either player's Main Deck to the hand.

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 4

Cannot be Summoned unless you control a face-up "Rod of Silence - Kay'est". This card is unaffected by Spell effects and cannot be targeted for attacks, but does not prevent your opponent from attacking you directly.

WATER 7

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

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.

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.

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.

WATER 4

You can discard this card to the Graveyard; add 1 "A Legendary Ocean" 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 You can target 1 WATER monster with 1500 or less ATK in your GY; Special Summon it to your zone this card points to, also you cannot Special Summon monsters for the rest of this turn, except WATER monsters. If this card is sent from the field to the GY: You can target 1 "Marincess" card in your GY, except "Marincess Coral Anemone"; add it to your hand. You can only use each effect of "Marincess Coral Anemone" once per turn.

WATER

2+ monsters, including a Fish, Sea Serpent, or Aqua monster Your opponent cannot target WATER monsters this card points to with card effects. You can only use each of the following effects of "Mermail King - Neptabyss" once per turn. If a WATER monster(s) is sent to the GY to activate a card or effect (except during the Damage Step): You can take 1 "Abyss-" Equip Spell from your Deck or GY and either add it to your hand or equip it to this card. If this card in its owner's possession is destroyed by an opponent's card: You can add 1 "Atlantean" or "Mermail" monster from your Deck to your hand.

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

2+ "Prank-Kids" monsters Must be Link Summoned. (Quick Effect): You can Tribute this card; destroy all Spells and Traps your opponent controls. If this card in your possession is sent to your GY by your opponent's card: You can target 1 card in your GY, except a Link Monster; add it to your hand. You can only use this effect of "Prank-Kids Rip-Roarin-Roaster" once per turn.

WATER

1+ Effect Monsters You can only control 1 "Worldsea Dragon Zealantis". You can only use each of the following effects of "Worldsea Dragon Zealantis" once per turn. During your Main Phase: You can banish all monsters on the field, then Special Summon as many monsters as possible that were banished by this effect, to their owners' fields, face-up, or in face-down Defense Position. During the Battle Phase (Quick Effect): You can destroy cards on the field up to the number of co-linked monsters on the field.

WATER 4

A warrior who defends the world of the Sea of Darkness. He prides himself on his fighting prowess both on the ground and, of course, in the water.

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.

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.

WATER 3

During either turn, except the End Phase (Quick Effect): You can discard this card; apply this effect this turn. You can only use this effect of "Ghost Sister & Spooky Dogwood" once per turn. ● Each time your opponent Special Summons an Effect Monster(s) during the Main Phase or Battle Phase, you gain LP equal to that monster's ATK. If you did not gain LP by this effect, your LP are halved during the End Phase.

WATER

2 Level 4 WATER monsters When any player's monster declares an attack: You can detach 1 Xyz Material from this card; all monsters your opponent currently controls lose 1000 ATK until the end of this turn. When this card is destroyed by battle or card effect and sent to the Graveyard: You can target 1 other monster in your Graveyard; Special Summon it. You can only use each effect of "Number 37: Hope Woven Dragon Spider Shark" once per turn.

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

3 Level 5 WATER monsters You can also Xyz Summon this card by using "Number 37: Hope Woven Dragon Spider Shark" you control (transfer its materials to this card). Once per turn: You can detach 1 material from this card, then target 1 monster your opponent controls; banish it (until their next Standby Phase), and if you do, any monsters they currently control lose 1000 ATK until the end of this turn. Once per turn, during the End Phase, if this card is in your GY because this Xyz Summoned card was destroyed and sent there this turn: You can Special Summon it.

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 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 Continuous

When this card resolves: Banish 1 WATER monster from your hand, Graveyard, or face-up on your field. Then, when this face-up card on the field is destroyed: Special Summon that banished monster to your side of the field.

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

If you control a Machine monster: Target 1 Level 4 or lower Machine monster in your GY; Special Summon that target, but its effects are negated, also destroy it during the End Phase.

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.

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 Counter

When your opponent would Special Summon a monster(s), while you control a face-up Tribute Summoned monster and no Special Summoned monsters: Negate the Summon, and if you do, return that monster(s) to the hand, also for the rest of this turn, your opponent cannot Special Summon, and can conduct up to 3 Normal Summons/Sets this turn, not just 1. You can only activate 1 "Floowandereeze and the Scary Sea" per turn.

Trap Continuous

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

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.

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 Counter

When a monster(s) would be Special Summoned, OR a monster effect is activated: Pay 1500 LP; negate the Summon or activation, and if you do, destroy that card.