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Atlantis, City of the Sea Dragon

Icon Field Spell
Card Text
While a monster that mentions "Atlantis, City of the Sea Dragon" is on the field, the Levels of all monsters in both players' hands and on the field are reduced by 1. When you Link Summon a "Daedalus" Link Monster, you can reduce the total number of materials by 1 (from Link Rating and from mentioned materials). If this card is in your GY and you control "Umi": You can place this card face-up on your field. You can only use this effect of "Atlantis, City of the Sea Dragon" once per turn.
OCG
TCG
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Organized by Illustration

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2026-11-14
1
BETB-AE058
BEYOND THE BRAVE

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Normal

Related Cards

Search Results: 1 - 10 of 20
A Legendary Ocean
A Legendary Ocean
X
SPELL SPELL Field Field
(This card is always treated as "Umi".)<br>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.
Advent of Atlantis
Advent of Atlantis
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SPELL SPELL Continuous Continuous
This card's name becomes "Umi" while in the Spell & Trap Zone. You can only use each of the following effects of "Advent of Atlantis" once per turn. During your Main Phase: You can place 1 "Atlantis, City of the Sea Dragon" or "Umi" from your Deck, face-up in your Field Zone. If this card is sent to the GY: You can add 1 Level 7 Sea Serpent monster from your Deck to your hand.
Azure Ocean Dragon Lord - Neo-Daedalus Rage
Azure Ocean Dragon Lord - Neo-Daedalus Rage
X
WATER WATER Link Link 4 [ Sea Serpent／Link／Effect ]
ATK 2900 DEF -
4 monsters<br>This card's name becomes "Umi" while on the field. If this card is Link Summoned: You can Special Summon up to 3 monsters that mention "Atlantis, City of the Sea Dragon" from your GY to your zone this card points to, also you cannot Special Summon for the rest of this turn. Once per turn (Quick Effect): You can send 1 face-up "Umi" you control to the GY; send all cards on the field to the GY, except "Umi".
Call of Atlantis
Call of Atlantis
X
SPELL SPELL
Add 1 monster that mentions "Atlantis, City of the Sea Dragon" from your Deck to your hand, then if you control "Atlantis, City of the Sea Dragon", you can negate the effects of 1 Effect Monster your opponent controls, until the end of this turn. If you control "Umi": You can banish this card from your GY; WATER monsters you control gain 500 ATK/DEF. You can only use each effect of "Call of Atlantis" once per turn.
Daedalus Maelstrom
Daedalus Maelstrom
X
TRAP TRAP Counter Counter
When your opponent would Normal or Special Summon a monster(s), while you control "Atlantis, City of the Sea Dragon": Negate the Summon, and if you do, destroy that monster(s), then if you control a WATER Link Monster, you can destroy all monsters on the field, except WATER monsters. You can banish this card from your GY and send 1 face-up "Umi" you control to the GY, then target 1 monster your opponent controls; send it to the GY. You can only use 1 "Daedalus Maelstrom" effect per turn, and only once that turn.
Fish Sonar
Fish Sonar
X
SPELL SPELL
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.
Forgotten Temple of the Deep
Forgotten Temple of the Deep
X
TRAP TRAP Continuous Continuous
While this card is on the field, this card's name becomes "Umi". Once per turn: You can target 1 Level 4 or lower Fish, Sea Serpent or Aqua monster you control; banish that target. During your End Phase: Special Summon the monster(s) banished by this effect.
Kairyu-Shin's Dark Reef
Kairyu-Shin's Dark Reef
X
TRAP TRAP
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, except WATER monsters. You can only activate 1 "Kairyu-Shin's Dark Reef" per turn.
Lemuria, the Forgotten City
Lemuria, the Forgotten City
X
SPELL SPELL Field Field
(This card is always treated as "Umi".)<br>All WATER monsters gain 200 ATK/DEF. Once per turn, during your Main Phase: You can have all WATER monsters you currently control gain Levels equal to the number of WATER monsters you currently control, until the end of this turn.
Levia-Dragon - Daedalus
Levia-Dragon - Daedalus
X
WATER WATER Level Level 7 [ Sea Serpent／Effect ]
ATK 2600 DEF 1500
You can send 1 face-up "Umi" you control to the GY; destroy all other cards on the field.

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