As an action, you shape two illusory duplicates of yourself that attack simultaneously from different directions as make a weapon attack with advantage.
On a hit, add 1d10 + your spellcasting ability to the attack’s damage roll.
On a critical hit, add twice as much damage.
On a miss by 4 or less, add half as much damage.
You can increase the damage by 2d10 for each additional mana expended.