- This card can be searched by "Fish Sonar", "Kairyu-Shin's Dark Reef", "Deep Sea Prima Donna", "Gear Gigant X", "Heavy Armored Train Ironwolf", "Machina Armored Unit", "UFOroid", "Mother Grizzly", "Eria the Water Charmer, Gentle", "Mermail Abyssalacia", "Shark Cruiser", "Summoner Monk", "Primathmech Alembertian", "Battle Royal Mode - Joining", "Vampire Dragon", "Resonator Engine", "Soul Rope", "Rescue Ferret", "Umbramirage the Elemental Lord", "Sangan" and "Witch of the Black Forest".
- Due to the ATK loss caused by the original "Umi", this card is best used with "A Legendary Ocean" or "Lemuria, the Forgotten City" instead, because they raise this card's ATK.
- Increase damage output by allowing this card to attack directly twice (usually via "Double Attack" or "Infernoble Arms - Hauteclere").
Traditional Format[]
- This card can be searched by "Last Will".