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Circle of Protection: Green

Card Name

Circle of Protection: Green

Mana Cost

1

Type

Enchantment

Rarity

Common

rules Text

1
: Prevent all damage against you from one green source. If a source deals damage to you more than once in a turn, you may pay
1
 each time to prevent the 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.