Chaos Warp | Magic: The Gathering
Formats Chaos Warp is Legal in
Official Oracle Text for Chaos Warp
Official Rulings for Chaos Warp
9/22/2011 : If the permanent is an illegal target by the time Chaos Warp tries to resolve, it will be countered and none of its effects will occur. No library will be shuffled and no card will be revealed.
9/22/2011 : A permanent card is a card with one or more of the following card types: artifact, creature, enchantment, land, or planeswalker.
9/22/2011 : If the revealed card is a permanent card but can't enter the battlefield (perhaps because it's an Aura with nothing to enchant), it remains on top of that library.
9/22/2011 : If the revealed card is not a permanent card, it remains on top of that library.