This creature uses your spell casting, and can cast a spell equal to half your level (Rounded up)

False Appearance: While the mimic hat remains motionless and isn't distinguished as a hat, it is indistinguishable from an ordinary hat.   Item Devour: The mimic hat can consume small items, such as coins, gems, or other small objects. As an action, the mimic hat can attempt to consume an item within 5 feet of it. If the item is being held by a creature, that creature must succeed on a DC Strength saving throw or have the item consumed by the mimic hat. While the item is eaten, the mimic hat can use its action on its turn to activate or use the properties of the consumed item. If the item requires an attack roll or a saving throw, use the mimic hat's statistics for the roll. The mimic hat can hold and use the consumed item for up to 1 hour, after which the item is regurgitated and falls to the ground. If the mimic hat consumes a magical item, it gains the benefits of that item for the duration, but the effects do not stack if the hat consumes multiple magical items. The mimic hat can only consume one item at a time.   Relentless Dash (Three): You can take the Dash action as a bonus action.