Millennium Ring

{T}: Add one mana of any color. {2}, {T}: Exile target creature. Return each other card exiled with this Artifact to the battlefield under its owner’s control. {2}, {T}: Return target creature exiled with this Artifact to the battlefield under its owner’s control. Search your library for a card with mana value less than or equal to the returned creature’s mana value, put that card into your hand, then shuffle.