Riptide Shapeshifter

Riptide Shapeshifter

Creature - Shapeshifter | Power/Toughness: 3 / 3 (CMC 5)
, Sacrifice Riptide Shapeshifter: Choose a creature type. Reveal cards from the top of your library until you reveal a creature card of that type. Put that card onto the battlefield and shuffle the rest into your library.