Umi
Yu-Gi-Oh! archetype · 32 cards
Abyss-stromABYR-EN073 · Abyss Rising
A Legendary OceanLOD-078 · Legacy of Darkness · +12 printings
Amphibious Bugroth MK-3IOC-081 · Invasion of Chaos · +3 printings
Cannonball Spear ShellfishIOC-085 · Invasion of Chaos · +3 printings
Catch of the DaySBAD-ENS03 · Speed Duel: Attack from the Deep · +1 printing
Citadel WhaleLEDU-EN016 · Legendary Duelists · +2 printings
CodarusABPF-EN032 · Absolute Powerforce · +1 printing
Deepsea WarriorPSV-079 · Pharaoh's Servant · +3 printings
Doom KrakenLED9-EN018 · Legendary Duelists: Duels From the Deep
Electric JellyfishLED9-EN019 · Legendary Duelists: Duels From the Deep
Fish SonarLED9-EN020 · Legendary Duelists: Duels From the Deep · +1 printing
Forgotten Temple of the DeepABPF-EN076 · Absolute Powerforce · +3 printings
Fortress WhaleTP7-EN003 · Tournament Pack 7 · +3 printings
Fortress Whale's OathTP7-EN011 · Tournament Pack 7 · +2 printings
Fury of Kairyu-ShinLDS1-EN120 · Legendary Duelists: Season 1 · +3 printings
Lemuria, the Forgotten CityABYR-EN057 · Abyss Rising · +1 printing
Levia-Dragon - DaedalusHL1-EN004 · Hobby League 1 participation cards B · +8 printings
Magellanica, the Deep Sea CityROTD-EN059 · Rise of the Duelist · +1 printing
Maiden of the AquaPGD-008 · Pharaonic Guardian · +2 printings
Mermaid KnightAST-025 · Ancient Sanctuary · +2 printings
Mythic DepthsSBAD-ENS02 · Speed Duel: Attack from the Deep
Ocean Dragon Lord - Neo-DaedalusSD4-EN001 · Structure Deck: Fury from the Deep · +2 printings
Pacifis, the Phantasm CityMACR-EN056 · Maximum Crisis
Rage of Kairyu-ShinLEDU-EN017 · Legendary Duelists · +2 printings
Sea Stealth AttackLEDU-EN018 · Legendary Duelists · +2 printings
Terror from the Deep!SBTK-ENSP0 · Speed Duel: Trials of the Kingdom Sneak Peek participation cards · +1 printing
The Legendary FishermanPSV-076 · Pharaoh's Servant · +16 printings
The Legendary Fisherman IILEDU-EN015 · Legendary Duelists · +5 printings
The Legendary Fisherman IIIDOCS-EN017 · Dimension of Chaos · +4 printings
Tornado WallLON-023 · Labyrinth of Nightmare · +8 printings
Torpedo FishIOC-082 · Invasion of Chaos · +3 printings
UmiLOB-050 · Legend of Blue Eyes White Dragon · +5 printings
Archetypes from YGOPRODeck and YAML Yugi (Yugipedia).