Mythic Depths - SBAD-ENS02 Super Rare 1st Edition

[At the start of the Duel, place this card in your Field Zone and flip it over.] 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.