Spell dominator

you have learned to cast more concentrated and accurate spells, you gain the following benefits.

• On your turn, when you cast a range spell attack that only targets one creature, you can choose to subtract 5 to the attack roll. If you hit you can add 10 to the total damage.
• On your turn, when you cast a spell with an area effect that deals damage and forces one or more creatures to make saving throws, you can choose for the area of effect to be halved to a minimum of one foot,if you do you add 10 to the total damage, and creatures have disadvantage on their saving throws