Zur, The Journeyman

Whenever Zur the Journeyman attacks reveal cards from the top of your library until you have revealed three enchantments with mana value 3 or less. you may cast one of those spells without paying it's mana cost. put all other cards revealed this way on the bottom of your library in a random order.

Sacrifice a nontoken enchantment: Choose one —
• Create a 1/1 white Glimmer enchantment creature token.
• Zur, The Journeyman gains Ward {1}and can't be blocked this turn.