Carian Greatsword

You conjure a magic greatsword and deliver a sweeping blow. Make a single melee spell attack targeting each creature within 10 feet of you. On a hit, a target takes 2d10 + your spellcasting ability modifier slashing damage.
At Higher Levels.
When you cast this spell using a spell slot of 5th level or higher, the damage increases by 1d10 for every 2 slot levels above 3rd.