Binding magma

You summon tendrils of magma from the beneath a creature you can see within 60 feet of you, these tendrils will attempt to restrain the creature, the targeted creature must make a dexterity saving throw or become restrained by the tendrils. When a creature restrained by this spell starts its turn it will take 3d10 fire damage and can make a strength save as an action to attempt to escape the binding tendrils.

At Higher Levels. When you cast this spell using a spell slot of 6th level or higher, it deals an extra d10 fire damage for each slot level above 5th.