Myth Realized (DTK) from Dragons of Tarkir, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Jason Rainville
• Card Text:
  Whenever you cast a noncreature spell, put a lore counter on Myth Realized.
  2W: Put a lore counter on Myth Realized.
  W: Until end of turn. Myth Realized becomes a Monk Avatar creature in addition to its other types and gains "This creature's power and toughness are each equal to the number of lore counters on it."