Dark Air or Water (5e Spell)
From D&D Wiki
Note: this is a fanmade update of the Shadowcaster class found in the Tome of magic. I claim no ownership of any of this content. This was made solely because no official content update for the Shadowcaster class has been released by Wizards of the Coast*
|Casting time:||1 round|
You reach into the Plane of Shadows, manipulating the environment there to enact change in the Material plane.
This mystery functions as either the spell control water or the spell control winds. You select which one upon casting the spell.
However, this mystery takes a great deal of concentration. Taking any action, including moving, taking damage, or being moved immediately end the spell, and the weather conditions return to normal over the next 1 minute.
If you have mastery of the Elemental shadows path, the DC for all saving throws is increased by 1