Seasoned Cryomancer is a mythic Creature — Human Wizard card from Reality Fracture Promos (PFRA), collector number 38p.
When this creature enters, draw two cards, then discard two cards. When you discard one or more nonland cards this way, tap up to that many target creatures and put a stun counter on each of them. {3}{U}{U}, Exile this card from your graveyard: Draw two cards.