As an action, you adapt to life underwater. Choose fins or gills as the spell’s effect.
Fins. You grow fins and webbing between your fingers and toes; you gain a swimming speed of 5 meters for the duration.
Gills. You grow gills; you gain the ability to breathe underwater for the duration. You also retain your normal breathing pattern.
You can expend 1 additional mana to gain the benefit of both effects.
You can target one additional creature for each additional mana expended. The creatures must be within 5 meters of each other when you target them.