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Magic: The Gathering Comprehensive Rules Changes

Guildpact to Dissension (Single Change View)

General changes

Old rule (Guildpact) New rule (Dissension)

410.9a.

An ability that reads "Whenever [this creature] blocks," or "Whenever [this creature] becomes blocked," triggers only once each combat for that creature, even if it blocks or is blocked by multiple creatures. An effect that causes the creature to become blocked (if the creature wasn't already blocked) will also trigger such abilities.

410.9a.

An ability that reads "Whenever [this creature] blocks, . . ." triggers only once each combat for that creature, even if it blocks multiple creatures. It triggers only if the creature is declared as a blocker.