Blessings of the Onakke

As you cast this spell, sacrifice a nontoken creature
or Planeswalker in addition to its other costs.
Enchant player
Enchanted player must pay an additional {2} and
2 life to cast nonartifact cards. If a legendary card
was sacrificed as this spell was cast, that player
can't cast nonartifact cards. If a Planeswalker was sacrificed this way, Blessings of the Onakke has hexproof.