Spell Crumple | Magic: The Gathering
Formats Spell Crumple is Legal in
Official Oracle Text for Spell Crumple
Official Rulings for Spell Crumple
9/22/2011 : If the spell is an illegal target when Spell Crumple tries to resolve, it will be countered and none of its effects will happen. Spell Crumple will be put into its owner's graveyard.
9/22/2011 : If the targeted spell can't be countered, it won't be put onto the bottom of its owner's library. Spell Crumple will still be put on the bottom of its owner's library.