Whirlpool Slash

You cause a powerful whirlpool to form around you, forcing each creature within 15 feet of you to make a Strength saving throw. On a failed save, a creature is pulled 10 feet towards you. As part of the action you use to cast the spell, you can then make a melee weapon attack against each creature within 5 feet of you. If both you and a target are currently submerged in water, you have advantage on the attack roll.