Collectible Card Game Headquarters

Describe the Bug:
Circle of Protection: Artifacts can prevent damage made to creatures.

Which card did behave improperly ?
Circle of Protection: Artifacts

Which update are you using?(date,name)Which type(Duel,Gauntlet,Sealed Deck)
Manalink 2014/12/20: Commanding 2014 Urzas,duel

What exactly should be the correct behavior/interaction ?
Circle of Protection: Artifacts can prevent damage made ONLY to owner.


Are any other cards possibly affected by this bug ?
All Circle of Protection cards?

Circle of Protection: Artifacts can also prevent damage to opponent.

AI can't use Circle of Protection: Artifacts to prevent damage made to AI by artifacts instead can prevent damage to creatures by artifacts which is wrong of course.

Fixed in 96c9c2d