Astor

Darrel (Astor the Soul Eater)

a greater demon in the world that has formed a contract with a witch that increased her power in exchange for her soul upon her death he sticks around her and plays pranks on the people around her when he gets bored. One day the witch discovers a way to contain him and ever since he has been stuck in a bottle on a shelf complaining about random pains. a few generations pass with him still stuck in a bottle until the witch's great-granddaughter finds him and unseals him. upon release, he grants her the same powers he gave to the first witch but is forced to stick around her due to his weakened state. Adopts the form of a deck of magical cards when resting. 

As a deck of cards, he can be used to accurately perceive the future, answer any and all questions about people and thier life, and do really cool card tricks.