Glazing Incantation

House Dimir Spell
Level 3 (?)
Casting Time: 1 Action
Duration: 1 Minute (Concentration)
Range: 10 ft
Caster creates a Small Illusion Creature with a flying speed of 30 in the shape of their choice for the duration. This creature follows your orders telepathically. This Illusion cannot be damaged and can cause no damage. As a bonus action on your turn, you can give the illusion substance until the end of turn and allow it to use attacks to harm other creatures, but this also allows it to be harmed.