Stealth Kragen Spawn

[ Aqua / Xyz / Effect ] 2 Level 4 WATER monsters Once per turn, during the Main Phase (Quick Effect): You can destroy 1 WATER monster your opponent controls. If this card Special Summoned by a "Number" Xyz Monster's effect is destroyed: You can Special Summon other "Kragen" monsters from your GY, up to the number of materials this card had, then you can attach up to 1 WATER monster from your GY to each of them as material. ATK/ 1900 DEF/ 1500