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WATER ( (みず) Mizu) is a very versatile Attribute, and even has a semi-viable Deck based around such monsters, the Water Deck. The Monster Types typically associated with WATER are Aqua, Fish, and Sea Serpent, though Plants and Reptiles are not uncommonly WATER monsters. WATER is usually thought of as the opposite to FIRE, though there is no real advantage for either Attribute over each other in the OCG/TCG.

Because of their versatility, Water monsters can be used in a number of strategic ways, possessing many different abilities. Some of the most powerful WATER monsters include: "Gogiga Gagagigo", "White Night Dragon", "Superancient Deepsea King Coelacanth", and "Ocean Dragon Lord - Neo-Daedalus". The general strategy for all WATER decks is to create a lockdown on the field for the opponent while building up and replenishing the player's resources. This makes most WATER Decks very passive, but that can be a good thing because WATER Decks need some set up time to work their combos correctly. But the most popular WATER Deck typically tries to boost the ATK of WATER monsters with "A Legendary Ocean" while simultaneously lowering their Levels with "A Legendary Ocean" to summon them faster, a very effective strategy when played correctly. One example is "Giga Gagagigo", a Level 5 Normal Reptile with 2450 ATK, which is strong enough to overpower Monarchs. In Stardust Overdrive, WATER monsters gained new support, such as draw support from "Moray of Greed". WATER is also the only Attribute not to contain any "LV" monsters.

Archetypes include "Cloudian" (with the exception of "Cloudian - Eye of the Typhoon"), "Frog", "Ice Barrier", "Atlantean", "Mermail", "Gishki", "Nekroz", "Dinomist", "Graydle", "Shark", "Paleozoic", "Crystron", and "Marincess". They have their own Structure Decks: Structure Deck: Fury from the Deep and Realm of the Sea Emperor Structure Deck/Structure Deck: Roar of the Sea Emperor.

WATER Monsters are used by Mako Tsunami in Yu-Gi-Oh!, Admiral in Yu-Gi-Oh! GX, Shark and Rio in Yu-Gi-Oh! ZEXAL, and Skye Zaizen (Blue Maiden) in Yu-Gi-Oh VRAINS.

Supporting Cards[]

WATER monsters enjoy great support, especially from Spell and Trap Cards such as "Tornado Wall", "Big Wave Small Wave" and "Salvage". They also have four Field Spell Cards specifically targeted towards them, more than any other Attribute:

Also, there is another Field Spell, "Wetlands", but only works on Level 2 (or lower) Aqua-type WATER monsters, such as the "Frog" archetype. Monster cards that aid Water Decks are great in number as well:

A card seen in almost every Water Deck is "Gravity Bind" or "Bubble Bringer", which will allow the player's Level 4 monsters to attack with "A Legendary Ocean" on the field, locking down the opponent.

Another good combo is using "A Legendary Ocean", "Tornado Wall", and "Astral Barrier". Attacks from your opponent become direct attacks because of "Astral Barrier" and "Tornado Wall" will make the direct damage 0. If you want to save this combo you can play "Imperial Custom", which will protect all your other continuous traps from being destroyed like your "Astral Barrier" and "Tornado Wall". Or you can play "Forgotten Temple of the Deep" which is also a Continuous Trap and is treated as "Umi", so it will be harder to ruin the combo because "Imperial Custom" will protect it as well. "Field Barrier" can also protect "Umi "and keep it on the Field.

Playing Style[]

Utilising Legendary Ocean[]

Numerous water decks rely on this field spell card to perform powerful effects as discussed below.

  • Decrease Monster Level Method 1: Another way to use A Legendary Ocean is to utilize its level decreasing ability on water monsters on the field and in the hand. Strong Level 5 water monsters such as Giga Gagagigo, Terrorking Salmon, Cyber Shark, or Catapult Turtle can then be normal summoned without a Tribute, allowing the user a more efficient way of bringing out monsters to inflict heavy damage.


A water deck is very versatile. It can lock your opponent down with the "Amphibious Bugroth MK-3"/"Mermaid Knight", Summon devastating beatsticks such as the "Giga Gagagigo" or "Terrorking Salmon" or control the field with "Levia-Dragon - Daedalus". Basically, it revolves many methods to win the opponent and all of them can be put into the deck. In most cases, they also have good stalling ability with support such as "Gravity Bind" and "Level Limit - Area B". They also have good defense cards to such as "Mother Grizzly", "Penguin Soldier" and "Nightmare Penguin". Not only do these card protect you from monster attacks, but either ruin your opponent's offensive or give you card advantage. Another combo is "Dupe Frog" and "Flip Flop Frog"; "Dupe Frog" has 2000 DEF, and can only be be selected as an attack target by your opponent, which could create a lock when multiples of "Dupe Frog" are on the field. Moreover, when "Dupe Frog" is destroyed, you can search your deck or graveyard to add another "Frog" monster. When used with "Flip Flop Frog", you can clear your opponent's monster cards.

With the advent of new WATER-based support in Ancient Prophecy, "A Legendary Ocean" Decks have gained more power. Destroyed field cards can be replenished with "Divine Dragon Aquabizarre", while various new monsters have been made to take advantage of the level-reducing effect of "A Legendary Ocean" (such has requiring a level 3 or lower WATER type monster to be present on the field to activate their effects). "Aegis of the Ocean Dragon Lord" is one such card, and can turn into an OTK when used with its namesake, "Ocean Dragon Lord - Neo-Daedalus". In addition "Shark Cruiser" is a Level 5 Monster which, when destroyed by an opponent's card effect, search two Level 4 or lower WATER Monsters from your deck.

In Absolute Powerforce, the card "Codarus" added a much needed boost to this Deck, acting as a mini "Levia-Dragon - Daedalus" which sends cards to the graveyard instead of destroying them, able to bypass the effects of "Stardust Dragon" and "Starlight Road". Also, "Forgotten Temple of the Deep" acts as a Trap Card "Umi", giving this deck more options.


One weakness of Water Decks and Water monsters in general, is that they rely on "Umi" or "A Legendary Ocean" to work to their potential. This will also make it much harder to duel an opponent who also uses water monsters since the field power bonus from Umi or A Legendary Ocean applies to their water monsters too. They lack cards that allow them more draw power, while using much of their hand up. Some of their effects are also rather passive compared to other Attributes, such as FIRE's aggression and EARTH's reliable defensive tactics. All in all, though, a well-prepared Water Deck can be an extremely difficult obstacle to overcome.