Nature's Way

• WWizards of the Coast2016-09-20
  Official Ruling
  You can't cast Nature's Way unless you choose both a creature you control and a creature you don't control as targets.
• WWizards of the Coast2016-09-20
  Official Ruling
  If either target is an illegal target as Nature's Way resolves, no damage will be dealt.
• WWizards of the Coast2016-09-20
  Official Ruling
  Trample only applies to the assignment of combat damage, not the damage Nature's Way has the creature deal.
• WWizards of the Coast2016-09-20
  Official Ruling
  If the creature you don't control is an illegal target as Nature's Way tries to resolve, the creature you control will still gain vigilance and trample.

Rulings via Scryfall