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Magic: The Gathering Comprehensive Rules Changes

Masters Edition to Lorwyn (Single Change View)

General changes

Old rule (Masters Edition) New rule (Lorwyn)

Interrupt (Obsolete)

Some older cards used the term "interrupt" on the card's type line. All interrupt cards are now instant cards. All abilities that were played as interrupts are now played like normal activated abilities (and are mana abilities if they produce mana).

Interrupt (Obsolete)

Some older cards were printed with the card type "interrupt." All interrupt cards are now instant cards. All abilities that were played as interrupts are now played like normal activated abilities (and are mana abilities if they produce mana).