This card's name becomes "Umi" while on the field. You can only use each of the following effects of "Siren Vortex of Atlantis" once per turn. If this card is Normal or Special Summoned: You can send 1 card that mentions "Atlantis, City of the Sea Dragon" from your Deck to the GY, except "Siren Vortex of Atlantis". If this card is sent to the GY and you control "Umi": You can Special Summon 1 WATER monster from your hand.