Once per turn, during the Standby Phase: You can detach 1 Xyz Material from this card; Special Summon 1 "Frog" monster from your Deck, except "Slime Toad". "Once per turn", during either player's turn, when your opponent activates a Spell/Trap Card, or monster effect: You can send 1 "Aqua-Type" monster from your hand or field to the "Graveyard"; negate the activation, and if you do, destroy that card, then you can Set the destroyed card on your field. If this card is sent to the "Graveyard": You can target 1 "WATER" monster in your "Graveyard"; add it to your hand.