Description

This article is from the Magic: The Gathering Rules FAQ, by Patrik Linell (pls@claymore.nu) with numerous contributions by others.

25 Can I use a Circle of Protection: Black (Magic: The Gathering Rules)

(1: The next time a black
source of your choice would deal damage to you this turn, prevent that
damage) to prevent damage from a red and black creature?
Yes. The creature is black; that it also has another color is
irrelevant.

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• prev: 24 Can I play Agonizing Demise (Destroy target nonblack creature) on a red and black creature? (Magic: The Gathering Rules)
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• next: 26 Can I choose 'gold', 'artifact', or 'colorless' when asked to choose a color? (Magic: The Gathering Rules)