| Mythic Depths | |
| Type: | Skill |
| Sub-Type: | Mako / Field Spell |
| Skill Activation: | At the start of the Duel, place this card in your Field Zone and flip it over. |
| Effect: | All Fish, Sea Serpent, Thunder, and Aqua monsters on the field gain 200 ATK/DEF. All Machine and Pyro monsters on the field lose 200 ATK/DEF. This card's name becomes "Umi" while on the field. |
| Printings |
Speed Duel: Attack from the Deep (SBAD-ENS02) -
2019-05-30 |