CR / RELEASE 2026-07-24
Rule 437
Prevent
Rule hierarchy
Direct children
437.1Preventing damage is the act of reducing the Damage a set of game objects would take.437.2When damage is Prevented, it is replaced with an event where it deals that much damage reduced by the Prevent Value tracked on the Unit specifically.437.3When damage is dealt this way, reduce the Prevent Value being tracked on the Unit affected by the Prevent action by the prevented amount.437.4Damage dealt to a Unit that has that all of that damage Prevented is not considered to have been dealt to it at all.437.5Damage can still be assigned to Units in combat that are affected by Prevent. The damage dealt as a result of that assignment will be affected by the Prevent action.437.6Prevent is a Limited Action.437.7Prevent is a Delayed Replacement Effect. See rule 367. Replacement Effects for more information. See rule 389. Delayed Abilities for more information.