| Umi | |
| Type: | Field Spell |
| Text: | Increase the ATK and DEF of all Fish, Sea Serpent, Thunder, and Aqua-Type monsters by 200 points. Also decrease the ATK and DEF of all Machine and Pyro-Type monsters by 200 points. |
| Password: | 22702055 |
| Printings |
Speed Duel: Streets of Battle City (SBC1-ENC13) -
2023-08-24 Speed Duel: Attack from the Deep (SBAD-EN031) - 2019-05-30 Dark Beginnings 1 (DB1-EN112) - 2004-10-12 Legends of Blue Eyes White Dragon (LOB-EN050) - 2002-03-08 |