Mermail Shadow Squad
Card Number: Rota-AE018
Card Type: Effect
Level: 3
Rarity: SER
Attribute: Water
Types: Sea Serpent
ATK: 0
DEF: 1900

(This card is always treated as an "Atlantean" card.)
You can discard 1 card to the GY; the Levels of all WATER monsters you currently control become 7 until the end of this turn. If this card is sent to the GY to activate a WATER monster's effect: Special Summon 1 Level 4 or lower "Atlantean" or "Mermail" monster from your Deck, except "Mermail Shadow Bodyguards", also you cannot Special Summon from the Extra Deck for the rest of this turn, except WATER monsters. You can only use each effect of "Mermail Shadow Bodyguards" once per turn.