2 Level 4 WATER monsters
When any player's monster declares an attack: You can detach 1 material from this card; all monsters your opponent currently controls lose 1000 ATK until the end of this turn. When this card is destroyed by battle or card effect and sent to the GY: You can target 1 other monster in your GY; Special Summon it. You can only use each effect of "Number 37: Hope Woven Dragon Spider Shark" once per turn.