Deepsea

"Deepsea" is an archetype that focuses on WATER monsters and "".

Though there are several monsters with "Deepsea" in their name, only "Deepsea" Spells/Traps are mentioned in any cards that involve "Deepsea" cards.

Despite having a space in its English name, "" is considered a "Deepsea" card. Yet, because "" Japanese card text does not contain "Deepsea" in its name, it is not treated as a "Deepsea" Spell.