Dragons Pride

You use the material component to infuse your hands with its Draconic power (for example poison if you have green dragon scale). When you cast the spell you can make a melee spell attack, you may do the same as an action on any subsequent turns for the spell’s duration. The spell attack deals 1d6 slashing and 1d6 of the previously determined damage type. Whenever you use an action to make such an attack you can use you bonus action to make a similar attack with you other hand. Furthermore, enemies hit be these attacks can't make you lose concentration until the end of your next turn.

 At higher levels. When you cast this spell using a spell slot of 3rd level or higher. You add 1d6 to the non-slashing damage of the spell for each level higher than 2nd level.