Umi

 Umi is the Japanese word for sea or ocean.

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The official Chinese name of this card has been mentioned in card text of a few other cards, but so far, no official Chinese prints of it have been released.

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This card has several upgraded forms, all with the name condition of being treated as Umi: A Legendary Ocean, Lemuria, the Forgotten City, Pacifis, the Phantasm City and Magellanica, the Deep Sea City.

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Their Japanese names all contain の都 (no Miyako, the City).

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Maiden of the Aqua, Sea Stealth II, and Forgotten Temple of the Deep are similar cards, but only treat themselves as Umi while face-up on the field.

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This card's other Type counterparts include Forest, Mountain, Sogen, Wasteland and Yami.

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This card has a Skill Card counterpart for Speed Duels: Mythic Depths.

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TCG Rulings

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Codarus: Sending "Umi" to the Graveyard is a cost.

Forgotten Temple of the Deep: The field is not treated as "Umi" while this card is active.

Forgotten Temple of the Deep: "Royal Decree" will negate the effect to treat this card's name as "Umi."

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OCG Rulings

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Codarus: Sending "Umi" to the Graveyard is a cost to activate the effect of "Codarus".: Effect Monster > Codarus

Codarus: If you control multiple cards like "A Legendary Ocean" and "Forgotten Temple of the Deep" that are all treated as "Umi", then you can activate the effect of "Codarus" or "Levia-Dragon - Daedalus" or "Ocean Dragon Lord - Neo-Daedalus" by only sending one of those cards to the Graveyard; you do not send all of them.: Must you send both "A Legendary Ocean" and "Forgotten Temple of the Deep" to the Graveyard to activate the effect of "Codarus"?

Forgotten Temple of the Deep: If "Forgotten Temple of the Deep" is negated by "Royal Decree" or "Trap Stun", then its effect to treat it as "Umi" will be negated, so that the name of "Forgotten Temple of the Deep" will not be treated as "Umi".: If "Forgotten Temple of the Deep" is negated, then is its card name treated as "Umi"?

Warrior of Atlantis: "Warrior of Atlantis" can add "A Legendary Ocean" from your Deck to your hand, even though the name of "A Legendary Ocean" is treated as "Umi

Previously Official Rulings

Mentions in Other Rulings

:"See also Card Rulings:Deepsea Warrior and Card Rulings:The Legendary Fisherman, as almost all of their rulings mention "Umi"."

A Legendary Ocean: You can have 3 cards total in your Deck between "A Legendary Ocean" and "Umi", because this card’s name is treated as "Umi". So you cannot have 3 copies of "Umi" and 3 copies of "A Legendary Ocean" in your Deck.

A Legendary Ocean: The name of "A Legendary Ocean" is treated as "Umi" always and for all purposes. If "Imperial Order" is active, the card name is still treated as "Umi". If the opponent activates "Cursed Seal of the Forbidden Spell" targeting "Umi", you cannot activate "Umi" or "A Legendary Ocean" for the rest of the Duel.

A Legendary Ocean: "A Legendary Ocean" does not have the effect of "Umi" that increases/decreases the ATK and DEF of specific monster Types.

Amphibious Bugroth MK-3: When "Umi" is on the field, and "Amphibious Bugroth MK-3" declares a direct attack, and "Umi" is destroyed during the Battle Step, "Amphibious Bugroth MK-3" can no longer attack directly, so a replay occurs.

Big Wave Small Wave: "The Legendary Fisherman" is not destroyed by the effect of "Big Wave Small Wave" if "Umi" is on the field, so he remains on the field.

Command Knight: If "Umi" is active and you have "The Legendary Fisherman" on the field, your opponent can attack directly. But if you have "The Legendary Fisherman" and "Command Knight", and no other monsters, your opponent cannot attack directly because of "Command Knight", and cannot attack "Command Knight" because of his effect, and cannot attack "The Legendary Fisherman", so he cannot declare an attack (but can enter the Battle Phase to activate card effects).

Dreamsprite: If you control "Dreamsprite", "The Legendary Fisherman", and "Umi" is on the field, "Dreamsprite's" effect can still change an attack target to "The Legendary Fisherman" because he is not being targeted with an attack, but is being targeted with a monster effect.

Ekibyo Drakmord: If "Ekibyo Drakmord" is equipped to "The Legendary Fisherman" and then "Umi" is activated, "Ekibyo Drakmord" will remain meaninglessly equipped to "The Legendary Fisherman".

Levia-Dragon - Daedalus: You can't send a face-down "Umi"to activate "Levia-Dragon - Daedalus" effect.

Maiden of the Aqua: While "Maiden of the Aqua" is making the field "Umi", you can activate "Tornado Wall" but if "Maiden of the Aqua" is destroyed, "Tornado Wall" is also destroyed.

Maiden of the Aqua: If "Maiden of the Aqua", "Umi", and "Tornado Wall" are all on your side of the field, and "Umi" is destroyed, "Tornado Wall" is not destroyed because "Maiden of the Aqua" treats the field as "Umi" as soon as "Umi" leaves play.

Mermaid Knight: "Mermaid Knight" can attack twice if "Maiden of the Aqua" is making the field treated as "Umi".

Mermaid Knight: If you declare your second attack with "Mermaid Knight", and "Umi" is destroyed during the Battle Step, a replay occurs and you cannot attack a second time with "Mermaid Knight".

Mermaid Knight: If there is no "Umi" on the field and "Mermaid Knight" attacks, then you Special Summon "Maiden of the Aqua" to treat the field as "Umi", you can attack a second time.

Patrician of Darkness: The effect of "Patrician of Darkness" does not override the effects of "Marauding Captain", "The Legendary Fisherman", "Solar Flare Dragon", etc. You cannot choose an attack target prevented by the effects of these cards. Examples: You cannot choose "The Legendary Fisherman" as an attack target if "Umi" is on the field. You cannot choose another Warrior-Type monster as an attack target when you control "Marauding Captain".

Prohibition: . "A Legendary Ocean" cannot be declared with "Prohibition", because its name is treated as "Umi".

Tornado Wall: "Tornado Wall" may be Set on the field if "Umi" is not on the field, but it cannot be activated. If targeted by "Bait Doll" when face-down and "Umi" is not on the field, it is destroyed.