Prevent all damage that would be dealt to you and planeswalkers you control this turn by sources you don't control. If damage from a creature source is prevented this way, Comeuppance deals that much damage to that creature. If damage from a noncreature source is prevented this way, Comeuppance deals that much damage to the source's controller.
This site is not produced or endorsed by Wizards of the Coast, Inc.
Card art on this page is © Wizards of the Coast, Inc. and the respective artist.