Number 47: Nightmare Shark
2 Level 3 monsters
① When this card is Special Summoned: You can attach 1 Level 3 WATER from your hand/field to this card as Material.
② Once per turn: You can detach 1 Material from this card, then target 1 WATER you control; this turn, that monster can attack your opponent directly, also other monsters cannot attack.
● You can't activate the ② on the first turn of the Duel, nor in your Main Phase 2.
● If the ② is negated, other monsters can still attack that turn.