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Circle of Protection: Blue

Card Name

Circle of Protection: Blue

Mana Cost

1

Type

Enchantment

Rarity

Common

rules Text

1
: The next time a blue source of your choice would deal damage to you this turn, prevent that damage.

Legal Formats

Commander, Legacy, Modern, Pauper, Vintage

Not Legal Formats

Alchemy, Brawl, Explorer, Historic, Pioneer, Standard

Rulings

(10/4/2004)
A source of damage is a permanent, a spell on the stack (including one that creates a permanent), or any object referred to by an object on the stack. A source doesn't need to be capable of dealing damage to be a legal choice.
(10/4/2004)
Can be used even when there is no damage to prevent. It prevents the next damage (if any) from the source this turn.