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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)

502.9c.

If all the creatures blocking an attacking creature with trample are removed from combat before the combat damage step, all its damage is assigned to the defending player.

502.9c.

If an attacking creature with trample is blocked, but there are no creatures blocking it when damage is assigned, all its damage is assigned to the player or planeswalker it's attacking.