Geist Snatch

• WWizards of the Coast2012-05-01
  Official Ruling
  If the target creature spell is an illegal target when Geist Snatch tries to resolve, Geist Snatch won’t resolve and none of its effects will happen. You won’t put a Spirit token onto the battlefield.
• WWizards of the Coast2012-05-01
  Official Ruling
  If Geist Snatch resolves but the creature spell can’t be countered, you’ll still put the Spirit token onto the battlefield.

Rulings via Scryfall