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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)

502.69a.

Poisonous is a triggered ability. "Poisonous N" means "Whenever this creature deals combat damage to a player, that player gets N poison counters." (For information about poison counters, see rule 102.3d.)