Lemuria, the Forgotten City | LED9-EN055

Set: Legendary Duelists: Duels From the Deep
Number: LED9-EN055
Rarity: Common
Attribute: SPELL
Card Type: Field Spell
Description: (This card is always treated as "Umi".)
All WATER monsters gain 200 ATK/DEF. Once per turn, during your Main Phase: You can have all WATER monsters you currently control gain Levels equal to the number of WATER monsters you currently control, until the end of this turn.