Rule 438.1

Preventing damage is the act of reducing the Damage a set of game objects would take.

• 438.1.a Prevent is an action that interacts with Damage.
• 438.1.b Prevent appears in statements that define an amount of damage and the source of the damage it will affect, as well as…

Rulings that cite this rule

• What happens if you Brush a Brush? Can you swap back the original battlefield you Brushed?

Official Core Rules