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Magic: The Gathering Comprehensive Rules Changes

Planar Chaos to Future Sight (Single Change View)

General changes

Old rule (Planar Chaos) New rule (Future Sight)

502.62b.

If either half of the exchange can't be completed, the ability has no effect.

Example: You play the aura swap ability of an Aura. The only Aura card in your hand can't enchant the permanent that's enchanted by the Aura with aura swap. The ability has no effect.

Example: You play the aura swap ability of an Aura that you control but you don't own. The ability has no effect.