When this card is Normal Summoned: You can send 1 Slushy from your Deck to the GY. If you have 3 copies of Slushy total, either banished and or in your GY (combined): You can banish this card from your GY, then target 1 Level 5 or higher Sea Serpent monster in your GY; Special Summon that target. You can only use this effect of Slushy once per turn.