Re make of the old version. Giving him an old coat and some scarf, piece of fabrics? for him to use his psychic powers to make them like arms.
EDIT: Also, the necklace he has has some mysterious dust that could allow him to send mons travel time, also boosting his psychic powers but for a limited time ( the dust can either help travel time or boost power, not able to perform two things at the same time), but due to his powers are still weak and the dust is almost out, he can only send mons back in time, not taking them back to present. He used some of his last to send Icy back to help the past.
Actually Icy only go to the past to avoid Marion at that time cause she was so angry, she knew she can stay in the present and help but she didn't think anything through when she decided to go back.