You summon a large blade of force in the shape of any cutting instrument you desire. It is indestructible.
When summoned, the blade makes a melee spell attack against a target within 10 feet of the blade. On a hit, the target takes 4d8 force damage
Attack. As a bonus action you may move the blade up to 40 feet in any direction and make two melee spell attacks against any targets within 10 feet of the blade. On a hit, the target takes 4d8 force damage.
Shred. As a bonus action you may move the blade up to 40 feet in any direction and make a melee spell attack against any non living, non magical object or material in a 5 foot cube. The object, or material, is destroyed, leaving only scraps. No attack roll is required. However, if the object or material is made of adamantine, or some similarly tough material, or magically protected, such as a door locked with the Arcane Lock spell, then, make a melee spell attack, on a hit, it takes 4d8 force damage.
At Higher Levels. When cast as a 9th level spell, you create two such blades of force, each one controlled independently.
* - ((a small ornate knife worth 250gp with which you have drawn your own blood with at least once) )