Nameless One

You may activate transmute abilities of cards in your hand any time you could cast an instant.
{1}{u}{b}, exile a card with transmute from your graveyard: Search your library for a card with the same converted mana cost as the exiled card and put it into your hand, then shuffle your library. Activate this ability only any time you could cast
a sorcery.
Transmute {1}{u}{b}