A-Master of Winds
From Zendikar Rising set
A-Master of Winds
Creature — Sphinx Wizard
1/5
Flying
When Master of Winds enters, draw two cards, then discard a card.
Whenever you cast an instant, sorcery, or Wizard spell, you may have Master of Winds's base power and toughness become 5/1 or 1/5 until end of turn.