Transmute

Transmute is the Keyword Ability of cards in Ravnica Block aligned with the Dimir Guild. It has appeared on Creatures, Instants and Sorceries. Its wording is:

Transmute *Cost* (*Cost, Discard this Card: Search your library for a card with the same converted mana cost as this card, reveal it and put it into your hand, then shuffle your library. Play this ability at any time you could play a sorcery.)